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Finding the Fourth Proportional to 586,891.50, 809,918.67 and 341,869.97

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Solution

The fourth proportional to 586,891.50, 809,918.67 and 341,869.97 is: 471,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,891.50 : 809,918.67 = 341,869.97 : x
  2. Step 2: Convert to fraction form
    586,891.50/809,918.67 = 341,869.97/x
  3. Step 3: Cross multiply
    586,891.50x = 809,918.67 × 341,869.97
  4. Step 4: Simplify right side
    586,891.50x = 276,886,867,365.75
  5. Step 5: Solve for x
    x = 276,886,867,365.75/586,891.50
  6. Step 6: Final answer
    x = 471,785.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.