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Finding the Fourth Proportional to 325,895.32, 488,889.96 and 123,565.96

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Solution

The fourth proportional to 325,895.32, 488,889.96 and 123,565.96 is: 185,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,895.32 : 488,889.96 = 123,565.96 : x
  2. Step 2: Convert to fraction form
    325,895.32/488,889.96 = 123,565.96/x
  3. Step 3: Cross multiply
    325,895.32x = 488,889.96 × 123,565.96
  4. Step 4: Simplify right side
    325,895.32x = 60,410,157,241.76
  5. Step 5: Solve for x
    x = 60,410,157,241.76/325,895.32
  6. Step 6: Final answer
    x = 185,366.75

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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.