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Finding the Fourth Proportional to 482,126.64, 665,289.93 and 267,248.40

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Solution

The fourth proportional to 482,126.64, 665,289.93 and 267,248.40 is: 368,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,126.64 : 665,289.93 = 267,248.40 : x
  2. Step 2: Convert to fraction form
    482,126.64/665,289.93 = 267,248.40/x
  3. Step 3: Cross multiply
    482,126.64x = 665,289.93 × 267,248.40
  4. Step 4: Simplify right side
    482,126.64x = 177,797,669,328.61
  5. Step 5: Solve for x
    x = 177,797,669,328.61/482,126.64
  6. Step 6: Final answer
    x = 368,777.94

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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.