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Finding the Fourth Proportional to 267,995.85, 401,714.04 and 90,441.69

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Solution

The fourth proportional to 267,995.85, 401,714.04 and 90,441.69 is: 135,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,995.85 : 401,714.04 = 90,441.69 : x
  2. Step 2: Convert to fraction form
    267,995.85/401,714.04 = 90,441.69/x
  3. Step 3: Cross multiply
    267,995.85x = 401,714.04 × 90,441.69
  4. Step 4: Simplify right side
    267,995.85x = 36,331,696,674.33
  5. Step 5: Solve for x
    x = 36,331,696,674.33/267,995.85
  6. Step 6: Final answer
    x = 135,568.13

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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.