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Finding the Fourth Proportional to 292,838.60, 439,367.24 and 115,469.25

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Solution

The fourth proportional to 292,838.60, 439,367.24 and 115,469.25 is: 173,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,838.60 : 439,367.24 = 115,469.25 : x
  2. Step 2: Convert to fraction form
    292,838.60/439,367.24 = 115,469.25/x
  3. Step 3: Cross multiply
    292,838.60x = 439,367.24 × 115,469.25
  4. Step 4: Simplify right side
    292,838.60x = 50,733,405,100.02
  5. Step 5: Solve for x
    x = 50,733,405,100.02/292,838.60
  6. Step 6: Final answer
    x = 173,246.99

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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.