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Finding the Fourth Proportional to 482,521.61, 665,959.53 and 267,730.85

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Solution

The fourth proportional to 482,521.61, 665,959.53 and 267,730.85 is: 369,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,521.61 : 665,959.53 = 267,730.85 : x
  2. Step 2: Convert to fraction form
    482,521.61/665,959.53 = 267,730.85/x
  3. Step 3: Cross multiply
    482,521.61x = 665,959.53 × 267,730.85
  4. Step 4: Simplify right side
    482,521.61x = 178,297,911,032.50
  5. Step 5: Solve for x
    x = 178,297,911,032.50/482,521.61
  6. Step 6: Final answer
    x = 369,512.80

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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.