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Finding the Fourth Proportional to 275,826.30, 413,739.45 and 98,339.10

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Solution

The fourth proportional to 275,826.30, 413,739.45 and 98,339.10 is: 147,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,826.30 : 413,739.45 = 98,339.10 : x
  2. Step 2: Convert to fraction form
    275,826.30/413,739.45 = 98,339.10/x
  3. Step 3: Cross multiply
    275,826.30x = 413,739.45 × 98,339.10
  4. Step 4: Simplify right side
    275,826.30x = 40,686,765,147.50
  5. Step 5: Solve for x
    x = 40,686,765,147.50/275,826.30
  6. Step 6: Final answer
    x = 147,508.65

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Similar ratio
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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.