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Finding the Fourth Proportional to 527,377.70, 727,726.61 and 297,960.04

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Solution

The fourth proportional to 527,377.70, 727,726.61 and 297,960.04 is: 411,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,377.70 : 727,726.61 = 297,960.04 : x
  2. Step 2: Convert to fraction form
    527,377.70/727,726.61 = 297,960.04/x
  3. Step 3: Cross multiply
    527,377.70x = 727,726.61 × 297,960.04
  4. Step 4: Simplify right side
    527,377.70x = 216,833,449,824.66
  5. Step 5: Solve for x
    x = 216,833,449,824.66/527,377.70
  6. Step 6: Final answer
    x = 411,154.00

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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.