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Finding the Fourth Proportional to 359,245.47, 495,770.72 and 195,910.91

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Solution

The fourth proportional to 359,245.47, 495,770.72 and 195,910.91 is: 270,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,245.47 : 495,770.72 = 195,910.91 : x
  2. Step 2: Convert to fraction form
    359,245.47/495,770.72 = 195,910.91/x
  3. Step 3: Cross multiply
    359,245.47x = 495,770.72 × 195,910.91
  4. Step 4: Simplify right side
    359,245.47x = 97,126,894,635.76
  5. Step 5: Solve for x
    x = 97,126,894,635.76/359,245.47
  6. Step 6: Final answer
    x = 270,363.59

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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.