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Finding the Fourth Proportional to 570,195.10, 855,202.69 and 266,799.73

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Solution

The fourth proportional to 570,195.10, 855,202.69 and 266,799.73 is: 400,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,195.10 : 855,202.69 = 266,799.73 : x
  2. Step 2: Convert to fraction form
    570,195.10/855,202.69 = 266,799.73/x
  3. Step 3: Cross multiply
    570,195.10x = 855,202.69 × 266,799.73
  4. Step 4: Simplify right side
    570,195.10x = 228,167,847,865.97
  5. Step 5: Solve for x
    x = 228,167,847,865.97/570,195.10
  6. Step 6: Final answer
    x = 400,157.50

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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.