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Finding the Fourth Proportional to 353,639.76, 530,570.31 and 227,422.53

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Solution

The fourth proportional to 353,639.76, 530,570.31 and 227,422.53 is: 341,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,639.76 : 530,570.31 = 227,422.53 : x
  2. Step 2: Convert to fraction form
    353,639.76/530,570.31 = 227,422.53/x
  3. Step 3: Cross multiply
    353,639.76x = 530,570.31 × 227,422.53
  4. Step 4: Simplify right side
    353,639.76x = 120,663,642,243.08
  5. Step 5: Solve for x
    x = 120,663,642,243.08/353,639.76
  6. Step 6: Final answer
    x = 341,204.97

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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.