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Finding the Fourth Proportional to 361,323.33, 542,011.87 and 108,583.58

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Solution

The fourth proportional to 361,323.33, 542,011.87 and 108,583.58 is: 162,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,323.33 : 542,011.87 = 108,583.58 : x
  2. Step 2: Convert to fraction form
    361,323.33/542,011.87 = 108,583.58/x
  3. Step 3: Cross multiply
    361,323.33x = 542,011.87 × 108,583.58
  4. Step 4: Simplify right side
    361,323.33x = 58,853,590,330.67
  5. Step 5: Solve for x
    x = 58,853,590,330.67/361,323.33
  6. Step 6: Final answer
    x = 162,883.45

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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.