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Finding the Fourth Proportional to 425,637.74, 587,384.10 and 234,657.97

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Solution

The fourth proportional to 425,637.74, 587,384.10 and 234,657.97 is: 323,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,637.74 : 587,384.10 = 234,657.97 : x
  2. Step 2: Convert to fraction form
    425,637.74/587,384.10 = 234,657.97/x
  3. Step 3: Cross multiply
    425,637.74x = 587,384.10 × 234,657.97
  4. Step 4: Simplify right side
    425,637.74x = 137,834,359,047.82
  5. Step 5: Solve for x
    x = 137,834,359,047.82/425,637.74
  6. Step 6: Final answer
    x = 323,830.21

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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.