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Finding the Fourth Proportional to 270,417.60, 404,848.80 and 165,441.60

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Solution

The fourth proportional to 270,417.60, 404,848.80 and 165,441.60 is: 247,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,417.60 : 404,848.80 = 165,441.60 : x
  2. Step 2: Convert to fraction form
    270,417.60/404,848.80 = 165,441.60/x
  3. Step 3: Cross multiply
    270,417.60x = 404,848.80 × 165,441.60
  4. Step 4: Simplify right side
    270,417.60x = 66,978,833,230.08
  5. Step 5: Solve for x
    x = 66,978,833,230.08/270,417.60
  6. Step 6: Final answer
    x = 247,686.66

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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.