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Finding the Fourth Proportional to 310,640.79, 465,352.22 and 160,979.25

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Solution

The fourth proportional to 310,640.79, 465,352.22 and 160,979.25 is: 241,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,640.79 : 465,352.22 = 160,979.25 : x
  2. Step 2: Convert to fraction form
    310,640.79/465,352.22 = 160,979.25/x
  3. Step 3: Cross multiply
    310,640.79x = 465,352.22 × 160,979.25
  4. Step 4: Simplify right side
    310,640.79x = 74,912,051,763.88
  5. Step 5: Solve for x
    x = 74,912,051,763.88/310,640.79
  6. Step 6: Final answer
    x = 241,153.30

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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.