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Finding the Fourth Proportional to 486,908.57, 730,294.72 and 167,055.17

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Solution

The fourth proportional to 486,908.57, 730,294.72 and 167,055.17 is: 250,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,908.57 : 730,294.72 = 167,055.17 : x
  2. Step 2: Convert to fraction form
    486,908.57/730,294.72 = 167,055.17/x
  3. Step 3: Cross multiply
    486,908.57x = 730,294.72 × 167,055.17
  4. Step 4: Simplify right side
    486,908.57x = 121,999,504,530.59
  5. Step 5: Solve for x
    x = 121,999,504,530.59/486,908.57
  6. Step 6: Final answer
    x = 250,559.37

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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.