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Finding the Fourth Proportional to 359,071.50, 495,519.96 and 197,923.08

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Solution

The fourth proportional to 359,071.50, 495,519.96 and 197,923.08 is: 273,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,071.50 : 495,519.96 = 197,923.08 : x
  2. Step 2: Convert to fraction form
    359,071.50/495,519.96 = 197,923.08/x
  3. Step 3: Cross multiply
    359,071.50x = 495,519.96 × 197,923.08
  4. Step 4: Simplify right side
    359,071.50x = 98,074,836,684.68
  5. Step 5: Solve for x
    x = 98,074,836,684.68/359,071.50
  6. Step 6: Final answer
    x = 273,134.56

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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.