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Finding the Fourth Proportional to 501,724.68, 752,580.42 and 122,648.73

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Solution

The fourth proportional to 501,724.68, 752,580.42 and 122,648.73 is: 183,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,724.68 : 752,580.42 = 122,648.73 : x
  2. Step 2: Convert to fraction form
    501,724.68/752,580.42 = 122,648.73/x
  3. Step 3: Cross multiply
    501,724.68x = 752,580.42 × 122,648.73
  4. Step 4: Simplify right side
    501,724.68x = 92,303,033,687.02
  5. Step 5: Solve for x
    x = 92,303,033,687.02/501,724.68
  6. Step 6: Final answer
    x = 183,971.48

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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.