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Finding the Fourth Proportional to 359,136.82, 495,607.02 and 197,991.37

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Solution

The fourth proportional to 359,136.82, 495,607.02 and 197,991.37 is: 273,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,136.82 : 495,607.02 = 197,991.37 : x
  2. Step 2: Convert to fraction form
    359,136.82/495,607.02 = 197,991.37/x
  3. Step 3: Cross multiply
    359,136.82x = 495,607.02 × 197,991.37
  4. Step 4: Simplify right side
    359,136.82x = 98,125,910,393.38
  5. Step 5: Solve for x
    x = 98,125,910,393.38/359,136.82
  6. Step 6: Final answer
    x = 273,227.10

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1.5x scale

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.