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Finding the Fourth Proportional to 366,329.60, 548,425.20 and 261,353.60

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Solution

The fourth proportional to 366,329.60, 548,425.20 and 261,353.60 is: 391,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,329.60 : 548,425.20 = 261,353.60 : x
  2. Step 2: Convert to fraction form
    366,329.60/548,425.20 = 261,353.60/x
  3. Step 3: Cross multiply
    366,329.60x = 548,425.20 × 261,353.60
  4. Step 4: Simplify right side
    366,329.60x = 143,332,900,350.72
  5. Step 5: Solve for x
    x = 143,332,900,350.72/366,329.60
  6. Step 6: Final answer
    x = 391,267.59

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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.