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Finding the Fourth Proportional to 542,275.02, 748,358.73 and 327,373.11

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Solution

The fourth proportional to 542,275.02, 748,358.73 and 327,373.11 is: 451,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,275.02 : 748,358.73 = 327,373.11 : x
  2. Step 2: Convert to fraction form
    542,275.02/748,358.73 = 327,373.11/x
  3. Step 3: Cross multiply
    542,275.02x = 748,358.73 × 327,373.11
  4. Step 4: Simplify right side
    542,275.02x = 244,992,524,835.75
  5. Step 5: Solve for x
    x = 244,992,524,835.75/542,275.02
  6. Step 6: Final answer
    x = 451,786.48

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Double scale
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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.