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Finding the Fourth Proportional to 482,691.58, 666,118.98 and 267,851.64

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Solution

The fourth proportional to 482,691.58, 666,118.98 and 267,851.64 is: 369,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,691.58 : 666,118.98 = 267,851.64 : x
  2. Step 2: Convert to fraction form
    482,691.58/666,118.98 = 267,851.64/x
  3. Step 3: Cross multiply
    482,691.58x = 666,118.98 × 267,851.64
  4. Step 4: Simplify right side
    482,691.58x = 178,421,061,228.13
  5. Step 5: Solve for x
    x = 178,421,061,228.13/482,691.58
  6. Step 6: Final answer
    x = 369,637.82

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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.