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Finding the Fourth Proportional to 496,811.52, 745,229.61 and 181,268.46

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Solution

The fourth proportional to 496,811.52, 745,229.61 and 181,268.46 is: 271,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,811.52 : 745,229.61 = 181,268.46 : x
  2. Step 2: Convert to fraction form
    496,811.52/745,229.61 = 181,268.46/x
  3. Step 3: Cross multiply
    496,811.52x = 745,229.61 × 181,268.46
  4. Step 4: Simplify right side
    496,811.52x = 135,086,623,751.10
  5. Step 5: Solve for x
    x = 135,086,623,751.10/496,811.52
  6. Step 6: Final answer
    x = 271,907.19

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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.