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Finding the Fourth Proportional to 496,886.86, 745,449.20 and 159,959.00

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Solution

The fourth proportional to 496,886.86, 745,449.20 and 159,959.00 is: 239,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,886.86 : 745,449.20 = 159,959.00 : x
  2. Step 2: Convert to fraction form
    496,886.86/745,449.20 = 159,959.00/x
  3. Step 3: Cross multiply
    496,886.86x = 745,449.20 × 159,959.00
  4. Step 4: Simplify right side
    496,886.86x = 119,241,310,696.36
  5. Step 5: Solve for x
    x = 119,241,310,696.36/496,886.86
  6. Step 6: Final answer
    x = 239,976.79

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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.