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Finding the Fourth Proportional to 361,929.60, 542,959.20 and 151,588.80

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Solution

The fourth proportional to 361,929.60, 542,959.20 and 151,588.80 is: 227,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,929.60 : 542,959.20 = 151,588.80 : x
  2. Step 2: Convert to fraction form
    361,929.60/542,959.20 = 151,588.80/x
  3. Step 3: Cross multiply
    361,929.60x = 542,959.20 × 151,588.80
  4. Step 4: Simplify right side
    361,929.60x = 82,306,533,576.96
  5. Step 5: Solve for x
    x = 82,306,533,576.96/361,929.60
  6. Step 6: Final answer
    x = 227,410.34

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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.