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Finding the Fourth Proportional to 325,280.56, 487,920.86 and 88,624.48

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Solution

The fourth proportional to 325,280.56, 487,920.86 and 88,624.48 is: 132,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,280.56 : 487,920.86 = 88,624.48 : x
  2. Step 2: Convert to fraction form
    325,280.56/487,920.86 = 88,624.48/x
  3. Step 3: Cross multiply
    325,280.56x = 487,920.86 × 88,624.48
  4. Step 4: Simplify right side
    325,280.56x = 43,241,732,498.65
  5. Step 5: Solve for x
    x = 43,241,732,498.65/325,280.56
  6. Step 6: Final answer
    x = 132,936.73

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1.5x scale

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.