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Finding the Fourth Proportional to 580,948.20, 870,774.30 and 225,844.20

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Solution

The fourth proportional to 580,948.20, 870,774.30 and 225,844.20 is: 338,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,948.20 : 870,774.30 = 225,844.20 : x
  2. Step 2: Convert to fraction form
    580,948.20/870,774.30 = 225,844.20/x
  3. Step 3: Cross multiply
    580,948.20x = 870,774.30 × 225,844.20
  4. Step 4: Simplify right side
    580,948.20x = 196,659,325,164.06
  5. Step 5: Solve for x
    x = 196,659,325,164.06/580,948.20
  6. Step 6: Final answer
    x = 338,514.39

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Double scale
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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.