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Finding the Fourth Proportional to 359,125.25, 495,580.08 and 195,778.37

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Solution

The fourth proportional to 359,125.25, 495,580.08 and 195,778.37 is: 270,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,125.25 : 495,580.08 = 195,778.37 : x
  2. Step 2: Convert to fraction form
    359,125.25/495,580.08 = 195,778.37/x
  3. Step 3: Cross multiply
    359,125.25x = 495,580.08 × 195,778.37
  4. Step 4: Simplify right side
    359,125.25x = 97,023,861,505.82
  5. Step 5: Solve for x
    x = 97,023,861,505.82/359,125.25
  6. Step 6: Final answer
    x = 270,167.20

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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.