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Finding the Fourth Proportional to 626,519.44, 940,174.50 and 266,689.72

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Solution

The fourth proportional to 626,519.44, 940,174.50 and 266,689.72 is: 400,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,519.44 : 940,174.50 = 266,689.72 : x
  2. Step 2: Convert to fraction form
    626,519.44/940,174.50 = 266,689.72/x
  3. Step 3: Cross multiply
    626,519.44x = 940,174.50 × 266,689.72
  4. Step 4: Simplify right side
    626,519.44x = 250,734,874,156.14
  5. Step 5: Solve for x
    x = 250,734,874,156.14/626,519.44
  6. Step 6: Final answer
    x = 400,202.86

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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.