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Finding the Fourth Proportional to 476,864.77, 715,268.19 and 169,132.00

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Solution

The fourth proportional to 476,864.77, 715,268.19 and 169,132.00 is: 253,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,864.77 : 715,268.19 = 169,132.00 : x
  2. Step 2: Convert to fraction form
    476,864.77/715,268.19 = 169,132.00/x
  3. Step 3: Cross multiply
    476,864.77x = 715,268.19 × 169,132.00
  4. Step 4: Simplify right side
    476,864.77x = 120,974,739,770.92
  5. Step 5: Solve for x
    x = 120,974,739,770.92/476,864.77
  6. Step 6: Final answer
    x = 253,687.73

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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.