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Finding the Fourth Proportional to 352,492.74, 486,432.22 and 199,527.88

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Solution

The fourth proportional to 352,492.74, 486,432.22 and 199,527.88 is: 275,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,492.74 : 486,432.22 = 199,527.88 : x
  2. Step 2: Convert to fraction form
    352,492.74/486,432.22 = 199,527.88/x
  3. Step 3: Cross multiply
    352,492.74x = 486,432.22 × 199,527.88
  4. Step 4: Simplify right side
    352,492.74x = 97,056,789,620.29
  5. Step 5: Solve for x
    x = 97,056,789,620.29/352,492.74
  6. Step 6: Final answer
    x = 275,344.08

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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.