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Finding the Fourth Proportional to 483,909.12, 725,958.72 and 168,376.32

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Solution

The fourth proportional to 483,909.12, 725,958.72 and 168,376.32 is: 252,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,909.12 : 725,958.72 = 168,376.32 : x
  2. Step 2: Convert to fraction form
    483,909.12/725,958.72 = 168,376.32/x
  3. Step 3: Cross multiply
    483,909.12x = 725,958.72 × 168,376.32
  4. Step 4: Simplify right side
    483,909.12x = 122,234,257,745.51
  5. Step 5: Solve for x
    x = 122,234,257,745.51/483,909.12
  6. Step 6: Final answer
    x = 252,597.55

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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.