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Finding the Fourth Proportional to 359,584.60, 539,765.70 and 202,120.60

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Solution

The fourth proportional to 359,584.60, 539,765.70 and 202,120.60 is: 303,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,584.60 : 539,765.70 = 202,120.60 : x
  2. Step 2: Convert to fraction form
    359,584.60/539,765.70 = 202,120.60/x
  3. Step 3: Cross multiply
    359,584.60x = 539,765.70 × 202,120.60
  4. Step 4: Simplify right side
    359,584.60x = 109,097,767,143.42
  5. Step 5: Solve for x
    x = 109,097,767,143.42/359,584.60
  6. Step 6: Final answer
    x = 303,399.44

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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.