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Finding the Fourth Proportional to 623,833.92, 860,892.78 and 337,356

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Solution

The fourth proportional to 623,833.92, 860,892.78 and 337,356 is: 465,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,833.92 : 860,892.78 = 337,356 : x
  2. Step 2: Convert to fraction form
    623,833.92/860,892.78 = 337,356/x
  3. Step 3: Cross multiply
    623,833.92x = 860,892.78 × 337,356
  4. Step 4: Simplify right side
    623,833.92x = 290,427,344,689.68
  5. Step 5: Solve for x
    x = 290,427,344,689.68/623,833.92
  6. Step 6: Final answer
    x = 465,552.35

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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.