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Finding the Fourth Proportional to 482,516.80, 723,425.28 and 324,352.96

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Solution

The fourth proportional to 482,516.80, 723,425.28 and 324,352.96 is: 486,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,516.80 : 723,425.28 = 324,352.96 : x
  2. Step 2: Convert to fraction form
    482,516.80/723,425.28 = 324,352.96/x
  3. Step 3: Cross multiply
    482,516.80x = 723,425.28 × 324,352.96
  4. Step 4: Simplify right side
    482,516.80x = 234,645,130,906.83
  5. Step 5: Solve for x
    x = 234,645,130,906.83/482,516.80
  6. Step 6: Final answer
    x = 486,294.22

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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.