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Finding the Fourth Proportional to 527,953.41, 729,177.12 and 357,892.29

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Solution

The fourth proportional to 527,953.41, 729,177.12 and 357,892.29 is: 494,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,953.41 : 729,177.12 = 357,892.29 : x
  2. Step 2: Convert to fraction form
    527,953.41/729,177.12 = 357,892.29/x
  3. Step 3: Cross multiply
    527,953.41x = 729,177.12 × 357,892.29
  4. Step 4: Simplify right side
    527,953.41x = 260,966,869,292.41
  5. Step 5: Solve for x
    x = 260,966,869,292.41/527,953.41
  6. Step 6: Final answer
    x = 494,299.05

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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.