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Finding the Fourth Proportional to 359,654.18, 539,481.20 and 106,933.64

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Solution

The fourth proportional to 359,654.18, 539,481.20 and 106,933.64 is: 160,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,654.18 : 539,481.20 = 106,933.64 : x
  2. Step 2: Convert to fraction form
    359,654.18/539,481.20 = 106,933.64/x
  3. Step 3: Cross multiply
    359,654.18x = 539,481.20 × 106,933.64
  4. Step 4: Simplify right side
    359,654.18x = 57,688,685,195.49
  5. Step 5: Solve for x
    x = 57,688,685,195.49/359,654.18
  6. Step 6: Final answer
    x = 160,400.43

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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.