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Finding the Fourth Proportional to 359,580.87, 539,612.10 and 149,219.01

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Solution

The fourth proportional to 359,580.87, 539,612.10 and 149,219.01 is: 223,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,580.87 : 539,612.10 = 149,219.01 : x
  2. Step 2: Convert to fraction form
    359,580.87/539,612.10 = 149,219.01/x
  3. Step 3: Cross multiply
    359,580.87x = 539,612.10 × 149,219.01
  4. Step 4: Simplify right side
    359,580.87x = 80,520,383,346.02
  5. Step 5: Solve for x
    x = 80,520,383,346.02/359,580.87
  6. Step 6: Final answer
    x = 223,928.44

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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.