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Finding the Fourth Proportional to 482,072.01, 665,291.39 and 267,221.13

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Solution

The fourth proportional to 482,072.01, 665,291.39 and 267,221.13 is: 368,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,072.01 : 665,291.39 = 267,221.13 : x
  2. Step 2: Convert to fraction form
    482,072.01/665,291.39 = 267,221.13/x
  3. Step 3: Cross multiply
    482,072.01x = 665,291.39 × 267,221.13
  4. Step 4: Simplify right side
    482,072.01x = 177,779,915,678.97
  5. Step 5: Solve for x
    x = 177,779,915,678.97/482,072.01
  6. Step 6: Final answer
    x = 368,782.90

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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.