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Finding the Fourth Proportional to 546,664.62, 754,415.91 and 317,204.58

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Solution

The fourth proportional to 546,664.62, 754,415.91 and 317,204.58 is: 437,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,664.62 : 754,415.91 = 317,204.58 : x
  2. Step 2: Convert to fraction form
    546,664.62/754,415.91 = 317,204.58/x
  3. Step 3: Cross multiply
    546,664.62x = 754,415.91 × 317,204.58
  4. Step 4: Simplify right side
    546,664.62x = 239,304,181,876.87
  5. Step 5: Solve for x
    x = 239,304,181,876.87/546,664.62
  6. Step 6: Final answer
    x = 437,753.19

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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.