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Finding the Fourth Proportional to 543,229.60, 816,073.20 and 377,341.60

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Solution

The fourth proportional to 543,229.60, 816,073.20 and 377,341.60 is: 566,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,229.60 : 816,073.20 = 377,341.60 : x
  2. Step 2: Convert to fraction form
    543,229.60/816,073.20 = 377,341.60/x
  3. Step 3: Cross multiply
    543,229.60x = 816,073.20 × 377,341.60
  4. Step 4: Simplify right side
    543,229.60x = 307,938,367,005.12
  5. Step 5: Solve for x
    x = 307,938,367,005.12/543,229.60
  6. Step 6: Final answer
    x = 566,865.96

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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.