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Finding the Fourth Proportional to 433,538.55, 650,370.13 and 134,042.48

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Solution

The fourth proportional to 433,538.55, 650,370.13 and 134,042.48 is: 201,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,538.55 : 650,370.13 = 134,042.48 : x
  2. Step 2: Convert to fraction form
    433,538.55/650,370.13 = 134,042.48/x
  3. Step 3: Cross multiply
    433,538.55x = 650,370.13 × 134,042.48
  4. Step 4: Simplify right side
    433,538.55x = 87,177,225,143.12
  5. Step 5: Solve for x
    x = 87,177,225,143.12/433,538.55
  6. Step 6: Final answer
    x = 201,082.98

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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.