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Finding the Fourth Proportional to 869,052.94, 1,303,677.83 and 779,757.73

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Solution

The fourth proportional to 869,052.94, 1,303,677.83 and 779,757.73 is: 1,169,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,052.94 : 1,303,677.83 = 779,757.73 : x
  2. Step 2: Convert to fraction form
    869,052.94/1,303,677.83 = 779,757.73/x
  3. Step 3: Cross multiply
    869,052.94x = 1,303,677.83 × 779,757.73
  4. Step 4: Simplify right side
    869,052.94x = 1,016,552,865,372.13
  5. Step 5: Solve for x
    x = 1,016,552,865,372.13/869,052.94
  6. Step 6: Final answer
    x = 1,169,724.90

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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.