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Finding the Fourth Proportional to 359,061.96, 495,508.80 and 197,923.20

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Solution

The fourth proportional to 359,061.96, 495,508.80 and 197,923.20 is: 273,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,061.96 : 495,508.80 = 197,923.20 : x
  2. Step 2: Convert to fraction form
    359,061.96/495,508.80 = 197,923.20/x
  3. Step 3: Cross multiply
    359,061.96x = 495,508.80 × 197,923.20
  4. Step 4: Simplify right side
    359,061.96x = 98,072,687,324.16
  5. Step 5: Solve for x
    x = 98,072,687,324.16/359,061.96
  6. Step 6: Final answer
    x = 273,135.83

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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.