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Finding the Fourth Proportional to 292,879.80, 439,838.10 and 226,481.40

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Solution

The fourth proportional to 292,879.80, 439,838.10 and 226,481.40 is: 340,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,879.80 : 439,838.10 = 226,481.40 : x
  2. Step 2: Convert to fraction form
    292,879.80/439,838.10 = 226,481.40/x
  3. Step 3: Cross multiply
    292,879.80x = 439,838.10 × 226,481.40
  4. Step 4: Simplify right side
    292,879.80x = 99,615,148,661.34
  5. Step 5: Solve for x
    x = 99,615,148,661.34/292,879.80
  6. Step 6: Final answer
    x = 340,122.97

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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.