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Finding the Fourth Proportional to 577,789.38, 866,792.64 and 262,268.46

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Solution

The fourth proportional to 577,789.38, 866,792.64 and 262,268.46 is: 393,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,789.38 : 866,792.64 = 262,268.46 : x
  2. Step 2: Convert to fraction form
    577,789.38/866,792.64 = 262,268.46/x
  3. Step 3: Cross multiply
    577,789.38x = 866,792.64 × 262,268.46
  4. Step 4: Simplify right side
    577,789.38x = 227,332,370,832.13
  5. Step 5: Solve for x
    x = 227,332,370,832.13/577,789.38
  6. Step 6: Final answer
    x = 393,451.97

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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.