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Finding the Fourth Proportional to 465,560.64, 698,647.20 and 255,346.20

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Solution

The fourth proportional to 465,560.64, 698,647.20 and 255,346.20 is: 383,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,560.64 : 698,647.20 = 255,346.20 : x
  2. Step 2: Convert to fraction form
    465,560.64/698,647.20 = 255,346.20/x
  3. Step 3: Cross multiply
    465,560.64x = 698,647.20 × 255,346.20
  4. Step 4: Simplify right side
    465,560.64x = 178,396,907,660.64
  5. Step 5: Solve for x
    x = 178,396,907,660.64/465,560.64
  6. Step 6: Final answer
    x = 383,187.26

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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.