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Finding the Fourth Proportional to 359,044.38, 495,484.70 and 197,905.68

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Solution

The fourth proportional to 359,044.38, 495,484.70 and 197,905.68 is: 273,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,044.38 : 495,484.70 = 197,905.68 : x
  2. Step 2: Convert to fraction form
    359,044.38/495,484.70 = 197,905.68/x
  3. Step 3: Cross multiply
    359,044.38x = 495,484.70 × 197,905.68
  4. Step 4: Simplify right side
    359,044.38x = 98,059,235,493.57
  5. Step 5: Solve for x
    x = 98,059,235,493.57/359,044.38
  6. Step 6: Final answer
    x = 273,111.74

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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.