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Finding the Fourth Proportional to 361,751.20, 542,821.20 and 151,410.40

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Solution

The fourth proportional to 361,751.20, 542,821.20 and 151,410.40 is: 227,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,751.20 : 542,821.20 = 151,410.40 : x
  2. Step 2: Convert to fraction form
    361,751.20/542,821.20 = 151,410.40/x
  3. Step 3: Cross multiply
    361,751.20x = 542,821.20 × 151,410.40
  4. Step 4: Simplify right side
    361,751.20x = 82,188,775,020.48
  5. Step 5: Solve for x
    x = 82,188,775,020.48/361,751.20
  6. Step 6: Final answer
    x = 227,196.97

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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.