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Finding the Fourth Proportional to 625,982.00, 863,856.23 and 339,502.32

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Solution

The fourth proportional to 625,982.00, 863,856.23 and 339,502.32 is: 468,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,982.00 : 863,856.23 = 339,502.32 : x
  2. Step 2: Convert to fraction form
    625,982.00/863,856.23 = 339,502.32/x
  3. Step 3: Cross multiply
    625,982.00x = 863,856.23 × 339,502.32
  4. Step 4: Simplify right side
    625,982.00x = 293,281,192,533.94
  5. Step 5: Solve for x
    x = 293,281,192,533.94/625,982.00
  6. Step 6: Final answer
    x = 468,513.78

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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.