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Finding the Fourth Proportional to 434,753.92, 599,951.10 and 243,763.12

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Solution

The fourth proportional to 434,753.92, 599,951.10 and 243,763.12 is: 336,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,753.92 : 599,951.10 = 243,763.12 : x
  2. Step 2: Convert to fraction form
    434,753.92/599,951.10 = 243,763.12/x
  3. Step 3: Cross multiply
    434,753.92x = 599,951.10 × 243,763.12
  4. Step 4: Simplify right side
    434,753.92x = 146,245,951,983.43
  5. Step 5: Solve for x
    x = 146,245,951,983.43/434,753.92
  6. Step 6: Final answer
    x = 336,387.89

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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.