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Finding the Fourth Proportional to 503,485,283.48, 755,227,925.21 and 503,485,283.48

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Solution

The fourth proportional to 503,485,283.48, 755,227,925.21 and 503,485,283.48 is: 755,227,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,485,283.48 : 755,227,925.21 = 503,485,283.48 : x
  2. Step 2: Convert to fraction form
    503,485,283.48/755,227,925.21 = 503,485,283.48/x
  3. Step 3: Cross multiply
    503,485,283.48x = 755,227,925.21 × 503,485,283.48
  4. Step 4: Simplify right side
    503,485,283.48x = 380,246,146,013,851,648
  5. Step 5: Solve for x
    x = 380,246,146,013,851,648/503,485,283.48
  6. Step 6: Final answer
    x = 755,227,925.21

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.