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Finding the Fourth Proportional to 511,767.22, 706,236.71 and 282,338.77

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Solution

The fourth proportional to 511,767.22, 706,236.71 and 282,338.77 is: 389,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,767.22 : 706,236.71 = 282,338.77 : x
  2. Step 2: Convert to fraction form
    511,767.22/706,236.71 = 282,338.77/x
  3. Step 3: Cross multiply
    511,767.22x = 706,236.71 × 282,338.77
  4. Step 4: Simplify right side
    511,767.22x = 199,398,002,618.55
  5. Step 5: Solve for x
    x = 199,398,002,618.55/511,767.22
  6. Step 6: Final answer
    x = 389,626.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.