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Finding the Fourth Proportional to 482,681.48, 666,136.92 and 267,862.16

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Solution

The fourth proportional to 482,681.48, 666,136.92 and 267,862.16 is: 369,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,681.48 : 666,136.92 = 267,862.16 : x
  2. Step 2: Convert to fraction form
    482,681.48/666,136.92 = 267,862.16/x
  3. Step 3: Cross multiply
    482,681.48x = 666,136.92 × 267,862.16
  4. Step 4: Simplify right side
    482,681.48x = 178,432,874,246.95
  5. Step 5: Solve for x
    x = 178,432,874,246.95/482,681.48
  6. Step 6: Final answer
    x = 369,670.02

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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.