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Finding the Fourth Proportional to 655,099.60, 982,649.43 and 181,785.13

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Solution

The fourth proportional to 655,099.60, 982,649.43 and 181,785.13 is: 272,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,099.60 : 982,649.43 = 181,785.13 : x
  2. Step 2: Convert to fraction form
    655,099.60/982,649.43 = 181,785.13/x
  3. Step 3: Cross multiply
    655,099.60x = 982,649.43 × 181,785.13
  4. Step 4: Simplify right side
    655,099.60x = 178,631,054,376.98
  5. Step 5: Solve for x
    x = 178,631,054,376.98/655,099.60
  6. Step 6: Final answer
    x = 272,677.70

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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.