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Finding the Fourth Proportional to 655,105.02, 982,658.02 and 181,790.84

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Solution

The fourth proportional to 655,105.02, 982,658.02 and 181,790.84 is: 272,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,105.02 : 982,658.02 = 181,790.84 : x
  2. Step 2: Convert to fraction form
    655,105.02/982,658.02 = 181,790.84/x
  3. Step 3: Cross multiply
    655,105.02x = 982,658.02 × 181,790.84
  4. Step 4: Simplify right side
    655,105.02x = 178,638,226,888.54
  5. Step 5: Solve for x
    x = 178,638,226,888.54/655,105.02
  6. Step 6: Final answer
    x = 272,686.40

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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.