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Finding the Fourth Proportional to 359,026.14, 495,484.56 and 197,909.85

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Solution

The fourth proportional to 359,026.14, 495,484.56 and 197,909.85 is: 273,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,026.14 : 495,484.56 = 197,909.85 : x
  2. Step 2: Convert to fraction form
    359,026.14/495,484.56 = 197,909.85/x
  3. Step 3: Cross multiply
    359,026.14x = 495,484.56 × 197,909.85
  4. Step 4: Simplify right side
    359,026.14x = 98,061,274,946.92
  5. Step 5: Solve for x
    x = 98,061,274,946.92/359,026.14
  6. Step 6: Final answer
    x = 273,131.30

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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.