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Finding the Fourth Proportional to 325,827.71, 488,291.87 and 235,147.17

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Solution

The fourth proportional to 325,827.71, 488,291.87 and 235,147.17 is: 352,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,827.71 : 488,291.87 = 235,147.17 : x
  2. Step 2: Convert to fraction form
    325,827.71/488,291.87 = 235,147.17/x
  3. Step 3: Cross multiply
    325,827.71x = 488,291.87 × 235,147.17
  4. Step 4: Simplify right side
    325,827.71x = 114,820,451,409.50
  5. Step 5: Solve for x
    x = 114,820,451,409.50/325,827.71
  6. Step 6: Final answer
    x = 352,396.21

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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.