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Finding the Fourth Proportional to 359,136.37, 495,599.07 and 197,987.68

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Solution

The fourth proportional to 359,136.37, 495,599.07 and 197,987.68 is: 273,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,136.37 : 495,599.07 = 197,987.68 : x
  2. Step 2: Convert to fraction form
    359,136.37/495,599.07 = 197,987.68/x
  3. Step 3: Cross multiply
    359,136.37x = 495,599.07 × 197,987.68
  4. Step 4: Simplify right side
    359,136.37x = 98,122,510,079.46
  5. Step 5: Solve for x
    x = 98,122,510,079.46/359,136.37
  6. Step 6: Final answer
    x = 273,217.97

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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.