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Finding the Fourth Proportional to 519,650.25, 779,177.73 and 159,727.46

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Solution

The fourth proportional to 519,650.25, 779,177.73 and 159,727.46 is: 239,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,650.25 : 779,177.73 = 159,727.46 : x
  2. Step 2: Convert to fraction form
    519,650.25/779,177.73 = 159,727.46/x
  3. Step 3: Cross multiply
    519,650.25x = 779,177.73 × 159,727.46
  4. Step 4: Simplify right side
    519,650.25x = 124,456,075,805.58
  5. Step 5: Solve for x
    x = 124,456,075,805.58/519,650.25
  6. Step 6: Final answer
    x = 239,499.70

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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.