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Finding the Fourth Proportional to 433,438.55, 650,162.28 and 193,564.66

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Solution

The fourth proportional to 433,438.55, 650,162.28 and 193,564.66 is: 290,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,438.55 : 650,162.28 = 193,564.66 : x
  2. Step 2: Convert to fraction form
    433,438.55/650,162.28 = 193,564.66/x
  3. Step 3: Cross multiply
    433,438.55x = 650,162.28 × 193,564.66
  4. Step 4: Simplify right side
    433,438.55x = 125,848,439,047.62
  5. Step 5: Solve for x
    x = 125,848,439,047.62/433,438.55
  6. Step 6: Final answer
    x = 290,348.97

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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.