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Finding the Fourth Proportional to 334,987.20, 501,703.20 and 327,211.20

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Solution

The fourth proportional to 334,987.20, 501,703.20 and 327,211.20 is: 490,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,987.20 : 501,703.20 = 327,211.20 : x
  2. Step 2: Convert to fraction form
    334,987.20/501,703.20 = 327,211.20/x
  3. Step 3: Cross multiply
    334,987.20x = 501,703.20 × 327,211.20
  4. Step 4: Simplify right side
    334,987.20x = 164,162,906,115.84
  5. Step 5: Solve for x
    x = 164,162,906,115.84/334,987.20
  6. Step 6: Final answer
    x = 490,057.25

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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.