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Finding the Fourth Proportional to 781,662.56, 1,163,952.71 and 752,933.89

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Solution

The fourth proportional to 781,662.56, 1,163,952.71 and 752,933.89 is: 1,121,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,662.56 : 1,163,952.71 = 752,933.89 : x
  2. Step 2: Convert to fraction form
    781,662.56/1,163,952.71 = 752,933.89/x
  3. Step 3: Cross multiply
    781,662.56x = 1,163,952.71 × 752,933.89
  4. Step 4: Simplify right side
    781,662.56x = 876,379,435,041.79
  5. Step 5: Solve for x
    x = 876,379,435,041.79/781,662.56
  6. Step 6: Final answer
    x = 1,121,173.61

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.