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Finding the Fourth Proportional to 499,886.52, 749,940.73 and 196,309.96

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Solution

The fourth proportional to 499,886.52, 749,940.73 and 196,309.96 is: 294,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,886.52 : 749,940.73 = 196,309.96 : x
  2. Step 2: Convert to fraction form
    499,886.52/749,940.73 = 196,309.96/x
  3. Step 3: Cross multiply
    499,886.52x = 749,940.73 × 196,309.96
  4. Step 4: Simplify right side
    499,886.52x = 147,220,835,155.32
  5. Step 5: Solve for x
    x = 147,220,835,155.32/499,886.52
  6. Step 6: Final answer
    x = 294,508.51

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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.