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Finding the Fourth Proportional to 325,842.73, 449,640.15 and 180,647.17

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Solution

The fourth proportional to 325,842.73, 449,640.15 and 180,647.17 is: 249,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,842.73 : 449,640.15 = 180,647.17 : x
  2. Step 2: Convert to fraction form
    325,842.73/449,640.15 = 180,647.17/x
  3. Step 3: Cross multiply
    325,842.73x = 449,640.15 × 180,647.17
  4. Step 4: Simplify right side
    325,842.73x = 81,226,220,615.88
  5. Step 5: Solve for x
    x = 81,226,220,615.88/325,842.73
  6. Step 6: Final answer
    x = 249,280.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.