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Finding the Fourth Proportional to 625,848.96, 938,846.76 and 199,235.32

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Solution

The fourth proportional to 625,848.96, 938,846.76 and 199,235.32 is: 298,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,848.96 : 938,846.76 = 199,235.32 : x
  2. Step 2: Convert to fraction form
    625,848.96/938,846.76 = 199,235.32/x
  3. Step 3: Cross multiply
    625,848.96x = 938,846.76 × 199,235.32
  4. Step 4: Simplify right side
    625,848.96x = 187,051,434,659.56
  5. Step 5: Solve for x
    x = 187,051,434,659.56/625,848.96
  6. Step 6: Final answer
    x = 298,876.32

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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.