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Finding the Fourth Proportional to 514,600.56, 771,390 and 244,254.96

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Solution

The fourth proportional to 514,600.56, 771,390 and 244,254.96 is: 366,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,600.56 : 771,390 = 244,254.96 : x
  2. Step 2: Convert to fraction form
    514,600.56/771,390 = 244,254.96/x
  3. Step 3: Cross multiply
    514,600.56x = 771,390 × 244,254.96
  4. Step 4: Simplify right side
    514,600.56x = 188,415,833,594.40
  5. Step 5: Solve for x
    x = 188,415,833,594.40/514,600.56
  6. Step 6: Final answer
    x = 366,139.97

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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.