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Finding the Fourth Proportional to 444,668.19, 667,126.43 and 178,615.53

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Solution

The fourth proportional to 444,668.19, 667,126.43 and 178,615.53 is: 267,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,668.19 : 667,126.43 = 178,615.53 : x
  2. Step 2: Convert to fraction form
    444,668.19/667,126.43 = 178,615.53/x
  3. Step 3: Cross multiply
    444,668.19x = 667,126.43 × 178,615.53
  4. Step 4: Simplify right side
    444,668.19x = 119,159,140,871.46
  5. Step 5: Solve for x
    x = 119,159,140,871.46/444,668.19
  6. Step 6: Final answer
    x = 267,973.16

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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.