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Finding the Fourth Proportional to 284,332.60, 426,294.10 and 159,711.80

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Solution

The fourth proportional to 284,332.60, 426,294.10 and 159,711.80 is: 239,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,332.60 : 426,294.10 = 159,711.80 : x
  2. Step 2: Convert to fraction form
    284,332.60/426,294.10 = 159,711.80/x
  3. Step 3: Cross multiply
    284,332.60x = 426,294.10 × 159,711.80
  4. Step 4: Simplify right side
    284,332.60x = 68,084,198,040.38
  5. Step 5: Solve for x
    x = 68,084,198,040.38/284,332.60
  6. Step 6: Final answer
    x = 239,452.66

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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.