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Finding the Fourth Proportional to 359,093.12, 495,545.09 and 195,749.60

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Solution

The fourth proportional to 359,093.12, 495,545.09 and 195,749.60 is: 270,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,093.12 : 495,545.09 = 195,749.60 : x
  2. Step 2: Convert to fraction form
    359,093.12/495,545.09 = 195,749.60/x
  3. Step 3: Cross multiply
    359,093.12x = 495,545.09 × 195,749.60
  4. Step 4: Simplify right side
    359,093.12x = 97,002,753,149.46
  5. Step 5: Solve for x
    x = 97,002,753,149.46/359,093.12
  6. Step 6: Final answer
    x = 270,132.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.