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Finding the Fourth Proportional to 224,992.80, 337,489.20 and 145,677.60

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Solution

The fourth proportional to 224,992.80, 337,489.20 and 145,677.60 is: 218,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,992.80 : 337,489.20 = 145,677.60 : x
  2. Step 2: Convert to fraction form
    224,992.80/337,489.20 = 145,677.60/x
  3. Step 3: Cross multiply
    224,992.80x = 337,489.20 × 145,677.60
  4. Step 4: Simplify right side
    224,992.80x = 49,164,616,681.92
  5. Step 5: Solve for x
    x = 49,164,616,681.92/224,992.80
  6. Step 6: Final answer
    x = 218,516.40

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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.