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Finding the Fourth Proportional to 361,626.14, 540,842.69 and 219,077.48

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Solution

The fourth proportional to 361,626.14, 540,842.69 and 219,077.48 is: 327,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,626.14 : 540,842.69 = 219,077.48 : x
  2. Step 2: Convert to fraction form
    361,626.14/540,842.69 = 219,077.48/x
  3. Step 3: Cross multiply
    361,626.14x = 540,842.69 × 219,077.48
  4. Step 4: Simplify right side
    361,626.14x = 118,486,455,501.42
  5. Step 5: Solve for x
    x = 118,486,455,501.42/361,626.14
  6. Step 6: Final answer
    x = 327,649.03

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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.