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Finding the Fourth Proportional to 315,609.24, 435,543.54 and 179,651.94

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Solution

The fourth proportional to 315,609.24, 435,543.54 and 179,651.94 is: 247,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,609.24 : 435,543.54 = 179,651.94 : x
  2. Step 2: Convert to fraction form
    315,609.24/435,543.54 = 179,651.94/x
  3. Step 3: Cross multiply
    315,609.24x = 435,543.54 × 179,651.94
  4. Step 4: Simplify right side
    315,609.24x = 78,246,241,915.47
  5. Step 5: Solve for x
    x = 78,246,241,915.47/315,609.24
  6. Step 6: Final answer
    x = 247,921.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.