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Finding the Fourth Proportional to 359,570.87, 539,597.09 and 149,209.01

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Solution

The fourth proportional to 359,570.87, 539,597.09 and 149,209.01 is: 223,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,570.87 : 539,597.09 = 149,209.01 : x
  2. Step 2: Convert to fraction form
    359,570.87/539,597.09 = 149,209.01/x
  3. Step 3: Cross multiply
    359,570.87x = 539,597.09 × 149,209.01
  4. Step 4: Simplify right side
    359,570.87x = 80,512,747,597.78
  5. Step 5: Solve for x
    x = 80,512,747,597.78/359,570.87
  6. Step 6: Final answer
    x = 223,913.43

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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.