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Finding the Fourth Proportional to 325,565.28, 488,309.04 and 88,928.64

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Solution

The fourth proportional to 325,565.28, 488,309.04 and 88,928.64 is: 133,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,565.28 : 488,309.04 = 88,928.64 : x
  2. Step 2: Convert to fraction form
    325,565.28/488,309.04 = 88,928.64/x
  3. Step 3: Cross multiply
    325,565.28x = 488,309.04 × 88,928.64
  4. Step 4: Simplify right side
    325,565.28x = 43,424,658,826.91
  5. Step 5: Solve for x
    x = 43,424,658,826.91/325,565.28
  6. Step 6: Final answer
    x = 133,382.34

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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.