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Finding the Fourth Proportional to 654,892.87, 982,339.32 and 181,578.22

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Solution

The fourth proportional to 654,892.87, 982,339.32 and 181,578.22 is: 272,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,892.87 : 982,339.32 = 181,578.22 : x
  2. Step 2: Convert to fraction form
    654,892.87/982,339.32 = 181,578.22/x
  3. Step 3: Cross multiply
    654,892.87x = 982,339.32 × 181,578.22
  4. Step 4: Simplify right side
    654,892.87x = 178,371,425,161.61
  5. Step 5: Solve for x
    x = 178,371,425,161.61/654,892.87
  6. Step 6: Final answer
    x = 272,367.33

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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.