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Finding the Fourth Proportional to 469,636.20, 704,454.30 and 170,260.20

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Solution

The fourth proportional to 469,636.20, 704,454.30 and 170,260.20 is: 255,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,636.20 : 704,454.30 = 170,260.20 : x
  2. Step 2: Convert to fraction form
    469,636.20/704,454.30 = 170,260.20/x
  3. Step 3: Cross multiply
    469,636.20x = 704,454.30 × 170,260.20
  4. Step 4: Simplify right side
    469,636.20x = 119,940,530,008.86
  5. Step 5: Solve for x
    x = 119,940,530,008.86/469,636.20
  6. Step 6: Final answer
    x = 255,390.30

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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.