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Finding the Fourth Proportional to 268,209.77, 401,738.74 and 252,507.11

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Solution

The fourth proportional to 268,209.77, 401,738.74 and 252,507.11 is: 378,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,209.77 : 401,738.74 = 252,507.11 : x
  2. Step 2: Convert to fraction form
    268,209.77/401,738.74 = 252,507.11/x
  3. Step 3: Cross multiply
    268,209.77x = 401,738.74 × 252,507.11
  4. Step 4: Simplify right side
    268,209.77x = 101,441,885,572.48
  5. Step 5: Solve for x
    x = 101,441,885,572.48/268,209.77
  6. Step 6: Final answer
    x = 378,218.46

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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.