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Finding the Fourth Proportional to 495,892.92, 743,847.59 and 215,410.17

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Solution

The fourth proportional to 495,892.92, 743,847.59 and 215,410.17 is: 323,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,892.92 : 743,847.59 = 215,410.17 : x
  2. Step 2: Convert to fraction form
    495,892.92/743,847.59 = 215,410.17/x
  3. Step 3: Cross multiply
    495,892.92x = 743,847.59 × 215,410.17
  4. Step 4: Simplify right side
    495,892.92x = 160,232,335,815.99
  5. Step 5: Solve for x
    x = 160,232,335,815.99/495,892.92
  6. Step 6: Final answer
    x = 323,118.82

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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.