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Finding the Fourth Proportional to 623,734.92, 860,753.60 and 337,254.38

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Solution

The fourth proportional to 623,734.92, 860,753.60 and 337,254.38 is: 465,410.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,734.92 : 860,753.60 = 337,254.38 : x
  2. Step 2: Convert to fraction form
    623,734.92/860,753.60 = 337,254.38/x
  3. Step 3: Cross multiply
    623,734.92x = 860,753.60 × 337,254.38
  4. Step 4: Simplify right side
    623,734.92x = 290,292,921,700.77
  5. Step 5: Solve for x
    x = 290,292,921,700.77/623,734.92
  6. Step 6: Final answer
    x = 465,410.73

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1.5x scale

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.