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Finding the Fourth Proportional to 496,816.67, 745,334.96 and 181,272.66

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Solution

The fourth proportional to 496,816.67, 745,334.96 and 181,272.66 is: 271,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,816.67 : 745,334.96 = 181,272.66 : x
  2. Step 2: Convert to fraction form
    496,816.67/745,334.96 = 181,272.66/x
  3. Step 3: Cross multiply
    496,816.67x = 745,334.96 × 181,272.66
  4. Step 4: Simplify right side
    496,816.67x = 135,108,849,883.83
  5. Step 5: Solve for x
    x = 135,108,849,883.83/496,816.67
  6. Step 6: Final answer
    x = 271,949.11

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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.