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Finding the Fourth Proportional to 359,582.75, 539,432.64 and 134,960.84

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Solution

The fourth proportional to 359,582.75, 539,432.64 and 134,960.84 is: 202,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,582.75 : 539,432.64 = 134,960.84 : x
  2. Step 2: Convert to fraction form
    359,582.75/539,432.64 = 134,960.84/x
  3. Step 3: Cross multiply
    359,582.75x = 539,432.64 × 134,960.84
  4. Step 4: Simplify right side
    359,582.75x = 72,802,282,217.82
  5. Step 5: Solve for x
    x = 72,802,282,217.82/359,582.75
  6. Step 6: Final answer
    x = 202,463.22

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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.