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Finding the Fourth Proportional to 467,376.50, 644,979.57 and 266,191.22

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Solution

The fourth proportional to 467,376.50, 644,979.57 and 266,191.22 is: 367,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,376.50 : 644,979.57 = 266,191.22 : x
  2. Step 2: Convert to fraction form
    467,376.50/644,979.57 = 266,191.22/x
  3. Step 3: Cross multiply
    467,376.50x = 644,979.57 × 266,191.22
  4. Step 4: Simplify right side
    467,376.50x = 171,687,898,613.38
  5. Step 5: Solve for x
    x = 171,687,898,613.38/467,376.50
  6. Step 6: Final answer
    x = 367,343.88

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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.