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Finding the Fourth Proportional to 482,122.88, 665,329.56 and 267,262.40

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Solution

The fourth proportional to 482,122.88, 665,329.56 and 267,262.40 is: 368,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,122.88 : 665,329.56 = 267,262.40 : x
  2. Step 2: Convert to fraction form
    482,122.88/665,329.56 = 267,262.40/x
  3. Step 3: Cross multiply
    482,122.88x = 665,329.56 × 267,262.40
  4. Step 4: Simplify right side
    482,122.88x = 177,817,574,996.54
  5. Step 5: Solve for x
    x = 177,817,574,996.54/482,122.88
  6. Step 6: Final answer
    x = 368,822.10

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1.5x scale

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.