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Finding the Fourth Proportional to 359,136.56, 495,611.90 and 197,997.52

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Solution

The fourth proportional to 359,136.56, 495,611.90 and 197,997.52 is: 273,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,136.56 : 495,611.90 = 197,997.52 : x
  2. Step 2: Convert to fraction form
    359,136.56/495,611.90 = 197,997.52/x
  3. Step 3: Cross multiply
    359,136.56x = 495,611.90 × 197,997.52
  4. Step 4: Simplify right side
    359,136.56x = 98,129,927,082.49
  5. Step 5: Solve for x
    x = 98,129,927,082.49/359,136.56
  6. Step 6: Final answer
    x = 273,238.48

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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.