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Finding the Fourth Proportional to 694,622.28, 957,659.85 and 500,867.85

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Solution

The fourth proportional to 694,622.28, 957,659.85 and 500,867.85 is: 690,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,622.28 : 957,659.85 = 500,867.85 : x
  2. Step 2: Convert to fraction form
    694,622.28/957,659.85 = 500,867.85/x
  3. Step 3: Cross multiply
    694,622.28x = 957,659.85 × 500,867.85
  4. Step 4: Simplify right side
    694,622.28x = 479,661,030,100.82
  5. Step 5: Solve for x
    x = 479,661,030,100.82/694,622.28
  6. Step 6: Final answer
    x = 690,535.05

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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.