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Finding the Fourth Proportional to 579,181.67, 868,805.56 and 194,776.22

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Solution

The fourth proportional to 579,181.67, 868,805.56 and 194,776.22 is: 292,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,181.67 : 868,805.56 = 194,776.22 : x
  2. Step 2: Convert to fraction form
    579,181.67/868,805.56 = 194,776.22/x
  3. Step 3: Cross multiply
    579,181.67x = 868,805.56 × 194,776.22
  4. Step 4: Simplify right side
    579,181.67x = 169,222,662,891.78
  5. Step 5: Solve for x
    x = 169,222,662,891.78/579,181.67
  6. Step 6: Final answer
    x = 292,175.45

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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.