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Finding the Fourth Proportional to 559,039.80, 838,301.52 and 179,889.96

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Solution

The fourth proportional to 559,039.80, 838,301.52 and 179,889.96 is: 269,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,039.80 : 838,301.52 = 179,889.96 : x
  2. Step 2: Convert to fraction form
    559,039.80/838,301.52 = 179,889.96/x
  3. Step 3: Cross multiply
    559,039.80x = 838,301.52 × 179,889.96
  4. Step 4: Simplify right side
    559,039.80x = 150,802,026,900.74
  5. Step 5: Solve for x
    x = 150,802,026,900.74/559,039.80
  6. Step 6: Final answer
    x = 269,751.86

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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.