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Finding the Fourth Proportional to 425,374.31, 586,565.13 and 382,530.98

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Solution

The fourth proportional to 425,374.31, 586,565.13 and 382,530.98 is: 527,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,374.31 : 586,565.13 = 382,530.98 : x
  2. Step 2: Convert to fraction form
    425,374.31/586,565.13 = 382,530.98/x
  3. Step 3: Cross multiply
    425,374.31x = 586,565.13 × 382,530.98
  4. Step 4: Simplify right side
    425,374.31x = 224,379,331,079.90
  5. Step 5: Solve for x
    x = 224,379,331,079.90/425,374.31
  6. Step 6: Final answer
    x = 527,486.80

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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.