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Finding the Fourth Proportional to 325,581.74, 488,427.51 and 112,292.60

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Solution

The fourth proportional to 325,581.74, 488,427.51 and 112,292.60 is: 168,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,581.74 : 488,427.51 = 112,292.60 : x
  2. Step 2: Convert to fraction form
    325,581.74/488,427.51 = 112,292.60/x
  3. Step 3: Cross multiply
    325,581.74x = 488,427.51 × 112,292.60
  4. Step 4: Simplify right side
    325,581.74x = 54,846,792,567.29
  5. Step 5: Solve for x
    x = 54,846,792,567.29/325,581.74
  6. Step 6: Final answer
    x = 168,457.83

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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.