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Finding the Fourth Proportional to 503,433.90, 755,150.85 and 484,080.30

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Solution

The fourth proportional to 503,433.90, 755,150.85 and 484,080.30 is: 726,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,433.90 : 755,150.85 = 484,080.30 : x
  2. Step 2: Convert to fraction form
    503,433.90/755,150.85 = 484,080.30/x
  3. Step 3: Cross multiply
    503,433.90x = 755,150.85 × 484,080.30
  4. Step 4: Simplify right side
    503,433.90x = 365,553,650,013.26
  5. Step 5: Solve for x
    x = 365,553,650,013.26/503,433.90
  6. Step 6: Final answer
    x = 726,120.45

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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.