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Finding the Fourth Proportional to 626,516.44, 940,170 and 266,686.72

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Solution

The fourth proportional to 626,516.44, 940,170 and 266,686.72 is: 400,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,516.44 : 940,170 = 266,686.72 : x
  2. Step 2: Convert to fraction form
    626,516.44/940,170 = 266,686.72/x
  3. Step 3: Cross multiply
    626,516.44x = 940,170 × 266,686.72
  4. Step 4: Simplify right side
    626,516.44x = 250,730,853,542.40
  5. Step 5: Solve for x
    x = 250,730,853,542.40/626,516.44
  6. Step 6: Final answer
    x = 400,198.36

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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.