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Finding the Fourth Proportional to 292,833.60, 439,029.54 and 159,827.28

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Solution

The fourth proportional to 292,833.60, 439,029.54 and 159,827.28 is: 239,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,833.60 : 439,029.54 = 159,827.28 : x
  2. Step 2: Convert to fraction form
    292,833.60/439,029.54 = 159,827.28/x
  3. Step 3: Cross multiply
    292,833.60x = 439,029.54 × 159,827.28
  4. Step 4: Simplify right side
    292,833.60x = 70,168,897,217.85
  5. Step 5: Solve for x
    x = 70,168,897,217.85/292,833.60
  6. Step 6: Final answer
    x = 239,620.38

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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.