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Finding the Fourth Proportional to 794,691.36, 1,191,909 and 218,180.16

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Solution

The fourth proportional to 794,691.36, 1,191,909 and 218,180.16 is: 327,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,691.36 : 1,191,909 = 218,180.16 : x
  2. Step 2: Convert to fraction form
    794,691.36/1,191,909 = 218,180.16/x
  3. Step 3: Cross multiply
    794,691.36x = 1,191,909 × 218,180.16
  4. Step 4: Simplify right side
    794,691.36x = 260,050,896,325.44
  5. Step 5: Solve for x
    x = 260,050,896,325.44/794,691.36
  6. Step 6: Final answer
    x = 327,235.09

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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.