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Finding the Fourth Proportional to 586,928.38, 878,791.96 and 444,342.36

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Solution

The fourth proportional to 586,928.38, 878,791.96 and 444,342.36 is: 665,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,928.38 : 878,791.96 = 444,342.36 : x
  2. Step 2: Convert to fraction form
    586,928.38/878,791.96 = 444,342.36/x
  3. Step 3: Cross multiply
    586,928.38x = 878,791.96 × 444,342.36
  4. Step 4: Simplify right side
    586,928.38x = 390,484,493,455.43
  5. Step 5: Solve for x
    x = 390,484,493,455.43/586,928.38
  6. Step 6: Final answer
    x = 665,301.78

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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.