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Finding the Fourth Proportional to 503,722.30, 755,583.45 and 503,722.30

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Solution

The fourth proportional to 503,722.30, 755,583.45 and 503,722.30 is: 755,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,722.30 : 755,583.45 = 503,722.30 : x
  2. Step 2: Convert to fraction form
    503,722.30/755,583.45 = 503,722.30/x
  3. Step 3: Cross multiply
    503,722.30x = 755,583.45 × 503,722.30
  4. Step 4: Simplify right side
    503,722.30x = 380,604,233,275.94
  5. Step 5: Solve for x
    x = 380,604,233,275.94/503,722.30
  6. Step 6: Final answer
    x = 755,583.45

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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.