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Finding the Fourth Proportional to 359,580.80, 539,522.40 and 193,174.40

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Solution

The fourth proportional to 359,580.80, 539,522.40 and 193,174.40 is: 289,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,580.80 : 539,522.40 = 193,174.40 : x
  2. Step 2: Convert to fraction form
    359,580.80/539,522.40 = 193,174.40/x
  3. Step 3: Cross multiply
    359,580.80x = 539,522.40 × 193,174.40
  4. Step 4: Simplify right side
    359,580.80x = 104,221,915,906.56
  5. Step 5: Solve for x
    x = 104,221,915,906.56/359,580.80
  6. Step 6: Final answer
    x = 289,842.83

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1.5x scale

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.