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Finding the Fourth Proportional to 451,510.92, 623,113.05 and 250,306.92

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Solution

The fourth proportional to 451,510.92, 623,113.05 and 250,306.92 is: 345,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,510.92 : 623,113.05 = 250,306.92 : x
  2. Step 2: Convert to fraction form
    451,510.92/623,113.05 = 250,306.92/x
  3. Step 3: Cross multiply
    451,510.92x = 623,113.05 × 250,306.92
  4. Step 4: Simplify right side
    451,510.92x = 155,969,508,357.31
  5. Step 5: Solve for x
    x = 155,969,508,357.31/451,510.92
  6. Step 6: Final answer
    x = 345,439.06

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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.