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Finding the Fourth Proportional to 482,574.76, 665,953.95 and 267,714.83

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Solution

The fourth proportional to 482,574.76, 665,953.95 and 267,714.83 is: 369,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,574.76 : 665,953.95 = 267,714.83 : x
  2. Step 2: Convert to fraction form
    482,574.76/665,953.95 = 267,714.83/x
  3. Step 3: Cross multiply
    482,574.76x = 665,953.95 × 267,714.83
  4. Step 4: Simplify right side
    482,574.76x = 178,285,748,512.08
  5. Step 5: Solve for x
    x = 178,285,748,512.08/482,574.76
  6. Step 6: Final answer
    x = 369,446.90

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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.