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Finding the Fourth Proportional to 325,774.88, 488,236.73 and 181,674.95

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Solution

The fourth proportional to 325,774.88, 488,236.73 and 181,674.95 is: 272,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,774.88 : 488,236.73 = 181,674.95 : x
  2. Step 2: Convert to fraction form
    325,774.88/488,236.73 = 181,674.95/x
  3. Step 3: Cross multiply
    325,774.88x = 488,236.73 × 181,674.95
  4. Step 4: Simplify right side
    325,774.88x = 88,700,381,869.86
  5. Step 5: Solve for x
    x = 88,700,381,869.86/325,774.88
  6. Step 6: Final answer
    x = 272,275.08

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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.