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Finding the Fourth Proportional to 451,294.92, 676,950.06 and 170,944.20

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Solution

The fourth proportional to 451,294.92, 676,950.06 and 170,944.20 is: 256,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,294.92 : 676,950.06 = 170,944.20 : x
  2. Step 2: Convert to fraction form
    451,294.92/676,950.06 = 170,944.20/x
  3. Step 3: Cross multiply
    451,294.92x = 676,950.06 × 170,944.20
  4. Step 4: Simplify right side
    451,294.92x = 115,720,686,446.65
  5. Step 5: Solve for x
    x = 115,720,686,446.65/451,294.92
  6. Step 6: Final answer
    x = 256,419.21

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1.5x scale

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.