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Finding the Fourth Proportional to 626,672.72, 940,161.72 and 200,208.08

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Solution

The fourth proportional to 626,672.72, 940,161.72 and 200,208.08 is: 300,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,672.72 : 940,161.72 = 200,208.08 : x
  2. Step 2: Convert to fraction form
    626,672.72/940,161.72 = 200,208.08/x
  3. Step 3: Cross multiply
    626,672.72x = 940,161.72 × 200,208.08
  4. Step 4: Simplify right side
    626,672.72x = 188,227,972,850.70
  5. Step 5: Solve for x
    x = 188,227,972,850.70/626,672.72
  6. Step 6: Final answer
    x = 300,360.89

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1.5x scale

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.