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Finding the Fourth Proportional to 741,659.60, 1,112,424.60 and 243,023.60

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Solution

The fourth proportional to 741,659.60, 1,112,424.60 and 243,023.60 is: 364,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,659.60 : 1,112,424.60 = 243,023.60 : x
  2. Step 2: Convert to fraction form
    741,659.60/1,112,424.60 = 243,023.60/x
  3. Step 3: Cross multiply
    741,659.60x = 1,112,424.60 × 243,023.60
  4. Step 4: Simplify right side
    741,659.60x = 270,345,431,020.56
  5. Step 5: Solve for x
    x = 270,345,431,020.56/741,659.60
  6. Step 6: Final answer
    x = 364,514.17

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Double scale
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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.