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Finding the Fourth Proportional to 489,560.57, 734,174.52 and 169,637.79

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Solution

The fourth proportional to 489,560.57, 734,174.52 and 169,637.79 is: 254,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,560.57 : 734,174.52 = 169,637.79 : x
  2. Step 2: Convert to fraction form
    489,560.57/734,174.52 = 169,637.79/x
  3. Step 3: Cross multiply
    489,560.57x = 734,174.52 × 169,637.79
  4. Step 4: Simplify right side
    489,560.57x = 124,543,743,047.11
  5. Step 5: Solve for x
    x = 124,543,743,047.11/489,560.57
  6. Step 6: Final answer
    x = 254,399.05

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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.