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Finding the Fourth Proportional to 269,585.60, 404,464.80 and 180,939.20

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Solution

The fourth proportional to 269,585.60, 404,464.80 and 180,939.20 is: 271,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,585.60 : 404,464.80 = 180,939.20 : x
  2. Step 2: Convert to fraction form
    269,585.60/404,464.80 = 180,939.20/x
  3. Step 3: Cross multiply
    269,585.60x = 404,464.80 × 180,939.20
  4. Step 4: Simplify right side
    269,585.60x = 73,183,537,340.16
  5. Step 5: Solve for x
    x = 73,183,537,340.16/269,585.60
  6. Step 6: Final answer
    x = 271,466.79

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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.