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Finding the Fourth Proportional to 502,191.71, 693,029.56 and 272,753.47

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Solution

The fourth proportional to 502,191.71, 693,029.56 and 272,753.47 is: 376,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,191.71 : 693,029.56 = 272,753.47 : x
  2. Step 2: Convert to fraction form
    502,191.71/693,029.56 = 272,753.47/x
  3. Step 3: Cross multiply
    502,191.71x = 693,029.56 × 272,753.47
  4. Step 4: Simplify right side
    502,191.71x = 189,026,217,302.57
  5. Step 5: Solve for x
    x = 189,026,217,302.57/502,191.71
  6. Step 6: Final answer
    x = 376,402.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.