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Finding the Fourth Proportional to 655,285.68, 982,928.96 and 181,971.12

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Solution

The fourth proportional to 655,285.68, 982,928.96 and 181,971.12 is: 272,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,285.68 : 982,928.96 = 181,971.12 : x
  2. Step 2: Convert to fraction form
    655,285.68/982,928.96 = 181,971.12/x
  3. Step 3: Cross multiply
    655,285.68x = 982,928.96 × 181,971.12
  4. Step 4: Simplify right side
    655,285.68x = 178,864,683,731.64
  5. Step 5: Solve for x
    x = 178,864,683,731.64/655,285.68
  6. Step 6: Final answer
    x = 272,956.80

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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.