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Finding the Fourth Proportional to 623,834.92, 860,894.16 and 337,357

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Solution

The fourth proportional to 623,834.92, 860,894.16 and 337,357 is: 465,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,834.92 : 860,894.16 = 337,357 : x
  2. Step 2: Convert to fraction form
    623,834.92/860,894.16 = 337,357/x
  3. Step 3: Cross multiply
    623,834.92x = 860,894.16 × 337,357
  4. Step 4: Simplify right side
    623,834.92x = 290,428,671,135.12
  5. Step 5: Solve for x
    x = 290,428,671,135.12/623,834.92
  6. Step 6: Final answer
    x = 465,553.73

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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.