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Finding the Fourth Proportional to 658,407.96, 987,407.82 and 237,629.16

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Solution

The fourth proportional to 658,407.96, 987,407.82 and 237,629.16 is: 356,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,407.96 : 987,407.82 = 237,629.16 : x
  2. Step 2: Convert to fraction form
    658,407.96/987,407.82 = 237,629.16/x
  3. Step 3: Cross multiply
    658,407.96x = 987,407.82 × 237,629.16
  4. Step 4: Simplify right side
    658,407.96x = 234,636,890,844.03
  5. Step 5: Solve for x
    x = 234,636,890,844.03/658,407.96
  6. Step 6: Final answer
    x = 356,370.07

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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.