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Finding the Fourth Proportional to 433,665.88, 650,560.80 and 134,172.04

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Solution

The fourth proportional to 433,665.88, 650,560.80 and 134,172.04 is: 201,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,665.88 : 650,560.80 = 134,172.04 : x
  2. Step 2: Convert to fraction form
    433,665.88/650,560.80 = 134,172.04/x
  3. Step 3: Cross multiply
    433,665.88x = 650,560.80 × 134,172.04
  4. Step 4: Simplify right side
    433,665.88x = 87,287,069,680.03
  5. Step 5: Solve for x
    x = 87,287,069,680.03/433,665.88
  6. Step 6: Final answer
    x = 201,277.24

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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.