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Finding the Fourth Proportional to 270,008.60, 404,235.30 and 165,032.60

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Solution

The fourth proportional to 270,008.60, 404,235.30 and 165,032.60 is: 247,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,008.60 : 404,235.30 = 165,032.60 : x
  2. Step 2: Convert to fraction form
    270,008.60/404,235.30 = 165,032.60/x
  3. Step 3: Cross multiply
    270,008.60x = 404,235.30 × 165,032.60
  4. Step 4: Simplify right side
    270,008.60x = 66,712,002,570.78
  5. Step 5: Solve for x
    x = 66,712,002,570.78/270,008.60
  6. Step 6: Final answer
    x = 247,073.62

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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.