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Finding the Fourth Proportional to 482,574.30, 665,953.30 and 267,714.36

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Solution

The fourth proportional to 482,574.30, 665,953.30 and 267,714.36 is: 369,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,574.30 : 665,953.30 = 267,714.36 : x
  2. Step 2: Convert to fraction form
    482,574.30/665,953.30 = 267,714.36/x
  3. Step 3: Cross multiply
    482,574.30x = 665,953.30 × 267,714.36
  4. Step 4: Simplify right side
    482,574.30x = 178,285,261,499.39
  5. Step 5: Solve for x
    x = 178,285,261,499.39/482,574.30
  6. Step 6: Final answer
    x = 369,446.24

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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.