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Finding the Fourth Proportional to 361,027.80, 542,708.10 and 333,034.20

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Solution

The fourth proportional to 361,027.80, 542,708.10 and 333,034.20 is: 500,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,027.80 : 542,708.10 = 333,034.20 : x
  2. Step 2: Convert to fraction form
    361,027.80/542,708.10 = 333,034.20/x
  3. Step 3: Cross multiply
    361,027.80x = 542,708.10 × 333,034.20
  4. Step 4: Simplify right side
    361,027.80x = 180,740,357,917.02
  5. Step 5: Solve for x
    x = 180,740,357,917.02/361,027.80
  6. Step 6: Final answer
    x = 500,627.26

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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.