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Finding the Fourth Proportional to 276,057.10, 413,826.45 and 216,052.30

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Solution

The fourth proportional to 276,057.10, 413,826.45 and 216,052.30 is: 323,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,057.10 : 413,826.45 = 216,052.30 : x
  2. Step 2: Convert to fraction form
    276,057.10/413,826.45 = 216,052.30/x
  3. Step 3: Cross multiply
    276,057.10x = 413,826.45 × 216,052.30
  4. Step 4: Simplify right side
    276,057.10x = 89,408,156,323.34
  5. Step 5: Solve for x
    x = 89,408,156,323.34/276,057.10
  6. Step 6: Final answer
    x = 323,875.59

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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.