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Finding the Fourth Proportional to 270,687.29, 373,549.16 and 149,836.91

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Solution

The fourth proportional to 270,687.29, 373,549.16 and 149,836.91 is: 206,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,687.29 : 373,549.16 = 149,836.91 : x
  2. Step 2: Convert to fraction form
    270,687.29/373,549.16 = 149,836.91/x
  3. Step 3: Cross multiply
    270,687.29x = 373,549.16 × 149,836.91
  4. Step 4: Simplify right side
    270,687.29x = 55,971,450,374.34
  5. Step 5: Solve for x
    x = 55,971,450,374.34/270,687.29
  6. Step 6: Final answer
    x = 206,775.32

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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.