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Finding the Fourth Proportional to 655,197.46, 982,801.66 and 181,919.72

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Solution

The fourth proportional to 655,197.46, 982,801.66 and 181,919.72 is: 272,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,197.46 : 982,801.66 = 181,919.72 : x
  2. Step 2: Convert to fraction form
    655,197.46/982,801.66 = 181,919.72/x
  3. Step 3: Cross multiply
    655,197.46x = 982,801.66 × 181,919.72
  4. Step 4: Simplify right side
    655,197.46x = 178,791,002,802.74
  5. Step 5: Solve for x
    x = 178,791,002,802.74/655,197.46
  6. Step 6: Final answer
    x = 272,881.10

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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.