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Finding the Fourth Proportional to 454,294.67, 626,930.87 and 250,352.91

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Solution

The fourth proportional to 454,294.67, 626,930.87 and 250,352.91 is: 345,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,294.67 : 626,930.87 = 250,352.91 : x
  2. Step 2: Convert to fraction form
    454,294.67/626,930.87 = 250,352.91/x
  3. Step 3: Cross multiply
    454,294.67x = 626,930.87 × 250,352.91
  4. Step 4: Simplify right side
    454,294.67x = 156,953,964,538.68
  5. Step 5: Solve for x
    x = 156,953,964,538.68/454,294.67
  6. Step 6: Final answer
    x = 345,489.34

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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.