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Finding the Fourth Proportional to 555,967.31, 834,055.35 and 252,382.77

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Solution

The fourth proportional to 555,967.31, 834,055.35 and 252,382.77 is: 378,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,967.31 : 834,055.35 = 252,382.77 : x
  2. Step 2: Convert to fraction form
    555,967.31/834,055.35 = 252,382.77/x
  3. Step 3: Cross multiply
    555,967.31x = 834,055.35 × 252,382.77
  4. Step 4: Simplify right side
    555,967.31x = 210,501,198,619.88
  5. Step 5: Solve for x
    x = 210,501,198,619.88/555,967.31
  6. Step 6: Final answer
    x = 378,621.54

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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.