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Finding the Fourth Proportional to 359,583.46, 539,433.72 and 134,961.56

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Solution

The fourth proportional to 359,583.46, 539,433.72 and 134,961.56 is: 202,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,583.46 : 539,433.72 = 134,961.56 : x
  2. Step 2: Convert to fraction form
    359,583.46/539,433.72 = 134,961.56/x
  3. Step 3: Cross multiply
    359,583.46x = 539,433.72 × 134,961.56
  4. Step 4: Simplify right side
    359,583.46x = 72,802,816,367.80
  5. Step 5: Solve for x
    x = 72,802,816,367.80/359,583.46
  6. Step 6: Final answer
    x = 202,464.31

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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.