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Finding the Fourth Proportional to 444,666.19, 667,123.43 and 178,613.53

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Solution

The fourth proportional to 444,666.19, 667,123.43 and 178,613.53 is: 267,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,666.19 : 667,123.43 = 178,613.53 : x
  2. Step 2: Convert to fraction form
    444,666.19/667,123.43 = 178,613.53/x
  3. Step 3: Cross multiply
    444,666.19x = 667,123.43 × 178,613.53
  4. Step 4: Simplify right side
    444,666.19x = 119,157,270,778.01
  5. Step 5: Solve for x
    x = 119,157,270,778.01/444,666.19
  6. Step 6: Final answer
    x = 267,970.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.