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Finding the Fourth Proportional to 655,178.32, 982,772.96 and 181,900.58

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Solution

The fourth proportional to 655,178.32, 982,772.96 and 181,900.58 is: 272,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,178.32 : 982,772.96 = 181,900.58 : x
  2. Step 2: Convert to fraction form
    655,178.32/982,772.96 = 181,900.58/x
  3. Step 3: Cross multiply
    655,178.32x = 982,772.96 × 181,900.58
  4. Step 4: Simplify right side
    655,178.32x = 178,766,971,432.32
  5. Step 5: Solve for x
    x = 178,766,971,432.32/655,178.32
  6. Step 6: Final answer
    x = 272,852.39

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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.