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Finding the Fourth Proportional to 334,563.22, 501,943.11 and 134,780.86

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Solution

The fourth proportional to 334,563.22, 501,943.11 and 134,780.86 is: 202,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,563.22 : 501,943.11 = 134,780.86 : x
  2. Step 2: Convert to fraction form
    334,563.22/501,943.11 = 134,780.86/x
  3. Step 3: Cross multiply
    334,563.22x = 501,943.11 × 134,780.86
  4. Step 4: Simplify right side
    334,563.22x = 67,652,324,036.87
  5. Step 5: Solve for x
    x = 67,652,324,036.87/334,563.22
  6. Step 6: Final answer
    x = 202,210.88

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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.