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Finding the Fourth Proportional to 334,450.80, 501,676.20 and 134,866.80

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Solution

The fourth proportional to 334,450.80, 501,676.20 and 134,866.80 is: 202,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,450.80 : 501,676.20 = 134,866.80 : x
  2. Step 2: Convert to fraction form
    334,450.80/501,676.20 = 134,866.80/x
  3. Step 3: Cross multiply
    334,450.80x = 501,676.20 × 134,866.80
  4. Step 4: Simplify right side
    334,450.80x = 67,659,463,730.16
  5. Step 5: Solve for x
    x = 67,659,463,730.16/334,450.80
  6. Step 6: Final answer
    x = 202,300.20

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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.