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Finding the Fourth Proportional to 592,563.35, 817,735.78 and 320,635.87

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Solution

The fourth proportional to 592,563.35, 817,735.78 and 320,635.87 is: 442,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,563.35 : 817,735.78 = 320,635.87 : x
  2. Step 2: Convert to fraction form
    592,563.35/817,735.78 = 320,635.87/x
  3. Step 3: Cross multiply
    592,563.35x = 817,735.78 × 320,635.87
  4. Step 4: Simplify right side
    592,563.35x = 262,195,420,705.10
  5. Step 5: Solve for x
    x = 262,195,420,705.10/592,563.35
  6. Step 6: Final answer
    x = 442,476.61

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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.