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Finding the Fourth Proportional to 267,084.33, 400,665.96 and 77,520.13

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Solution

The fourth proportional to 267,084.33, 400,665.96 and 77,520.13 is: 116,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,084.33 : 400,665.96 = 77,520.13 : x
  2. Step 2: Convert to fraction form
    267,084.33/400,665.96 = 77,520.13/x
  3. Step 3: Cross multiply
    267,084.33x = 400,665.96 × 77,520.13
  4. Step 4: Simplify right side
    267,084.33x = 31,059,677,305.77
  5. Step 5: Solve for x
    x = 31,059,677,305.77/267,084.33
  6. Step 6: Final answer
    x = 116,291.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.