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Finding the Fourth Proportional to 575,947.52, 864,055.92 and 196,871.18

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Solution

The fourth proportional to 575,947.52, 864,055.92 and 196,871.18 is: 295,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,947.52 : 864,055.92 = 196,871.18 : x
  2. Step 2: Convert to fraction form
    575,947.52/864,055.92 = 196,871.18/x
  3. Step 3: Cross multiply
    575,947.52x = 864,055.92 × 196,871.18
  4. Step 4: Simplify right side
    575,947.52x = 170,107,708,556.39
  5. Step 5: Solve for x
    x = 170,107,708,556.39/575,947.52
  6. Step 6: Final answer
    x = 295,352.79

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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.