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Finding the Fourth Proportional to 482,368.39, 665,624.76 and 267,507.79

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Solution

The fourth proportional to 482,368.39, 665,624.76 and 267,507.79 is: 369,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,368.39 : 665,624.76 = 267,507.79 : x
  2. Step 2: Convert to fraction form
    482,368.39/665,624.76 = 267,507.79/x
  3. Step 3: Cross multiply
    482,368.39x = 665,624.76 × 267,507.79
  4. Step 4: Simplify right side
    482,368.39x = 178,059,805,849.66
  5. Step 5: Solve for x
    x = 178,059,805,849.66/482,368.39
  6. Step 6: Final answer
    x = 369,136.56

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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.