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Finding the Fourth Proportional to 359,586.48, 539,438.22 and 134,964.57

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Solution

The fourth proportional to 359,586.48, 539,438.22 and 134,964.57 is: 202,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,586.48 : 539,438.22 = 134,964.57 : x
  2. Step 2: Convert to fraction form
    359,586.48/539,438.22 = 134,964.57/x
  3. Step 3: Cross multiply
    359,586.48x = 539,438.22 × 134,964.57
  4. Step 4: Simplify right side
    359,586.48x = 72,805,047,403.87
  5. Step 5: Solve for x
    x = 72,805,047,403.87/359,586.48
  6. Step 6: Final answer
    x = 202,468.81

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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.