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Finding the Fourth Proportional to 531,100.47, 795,889.32 and 424,805.88

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Solution

The fourth proportional to 531,100.47, 795,889.32 and 424,805.88 is: 636,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,100.47 : 795,889.32 = 424,805.88 : x
  2. Step 2: Convert to fraction form
    531,100.47/795,889.32 = 424,805.88/x
  3. Step 3: Cross multiply
    531,100.47x = 795,889.32 × 424,805.88
  4. Step 4: Simplify right side
    531,100.47x = 338,098,462,965.20
  5. Step 5: Solve for x
    x = 338,098,462,965.20/531,100.47
  6. Step 6: Final answer
    x = 636,599.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.