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Finding the Fourth Proportional to 481,632.90, 722,230.65 and 182,013.90

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Solution

The fourth proportional to 481,632.90, 722,230.65 and 182,013.90 is: 272,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,632.90 : 722,230.65 = 182,013.90 : x
  2. Step 2: Convert to fraction form
    481,632.90/722,230.65 = 182,013.90/x
  3. Step 3: Cross multiply
    481,632.90x = 722,230.65 × 182,013.90
  4. Step 4: Simplify right side
    481,632.90x = 131,456,017,306.04
  5. Step 5: Solve for x
    x = 131,456,017,306.04/481,632.90
  6. Step 6: Final answer
    x = 272,938.20

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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.