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Finding the Fourth Proportional to 655,094.11, 982,641.17 and 181,779.62

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Solution

The fourth proportional to 655,094.11, 982,641.17 and 181,779.62 is: 272,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,094.11 : 982,641.17 = 181,779.62 : x
  2. Step 2: Convert to fraction form
    655,094.11/982,641.17 = 181,779.62/x
  3. Step 3: Cross multiply
    655,094.11x = 982,641.17 × 181,779.62
  4. Step 4: Simplify right side
    655,094.11x = 178,624,132,656.85
  5. Step 5: Solve for x
    x = 178,624,132,656.85/655,094.11
  6. Step 6: Final answer
    x = 272,669.42

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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.