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Finding the Fourth Proportional to 327,301.72, 490,952.64 and 90,644.44

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Solution

The fourth proportional to 327,301.72, 490,952.64 and 90,644.44 is: 135,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,301.72 : 490,952.64 = 90,644.44 : x
  2. Step 2: Convert to fraction form
    327,301.72/490,952.64 = 90,644.44/x
  3. Step 3: Cross multiply
    327,301.72x = 490,952.64 × 90,644.44
  4. Step 4: Simplify right side
    327,301.72x = 44,502,127,119.32
  5. Step 5: Solve for x
    x = 44,502,127,119.32/327,301.72
  6. Step 6: Final answer
    x = 135,966.68

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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.