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Finding the Fourth Proportional to 433,407.15, 650,179.98 and 133,817.31

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Solution

The fourth proportional to 433,407.15, 650,179.98 and 133,817.31 is: 200,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,407.15 : 650,179.98 = 133,817.31 : x
  2. Step 2: Convert to fraction form
    433,407.15/650,179.98 = 133,817.31/x
  3. Step 3: Cross multiply
    433,407.15x = 650,179.98 × 133,817.31
  4. Step 4: Simplify right side
    433,407.15x = 87,005,335,939.45
  5. Step 5: Solve for x
    x = 87,005,335,939.45/433,407.15
  6. Step 6: Final answer
    x = 200,747.35

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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.