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Finding the Fourth Proportional to 461,118.80, 691,807.80 and 224,469.20

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Solution

The fourth proportional to 461,118.80, 691,807.80 and 224,469.20 is: 336,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,118.80 : 691,807.80 = 224,469.20 : x
  2. Step 2: Convert to fraction form
    461,118.80/691,807.80 = 224,469.20/x
  3. Step 3: Cross multiply
    461,118.80x = 691,807.80 × 224,469.20
  4. Step 4: Simplify right side
    461,118.80x = 155,289,543,419.76
  5. Step 5: Solve for x
    x = 155,289,543,419.76/461,118.80
  6. Step 6: Final answer
    x = 336,766.89

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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.