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Finding the Fourth Proportional to 302,993.56, 418,886.94 and 227,410.84

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Solution

The fourth proportional to 302,993.56, 418,886.94 and 227,410.84 is: 314,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,993.56 : 418,886.94 = 227,410.84 : x
  2. Step 2: Convert to fraction form
    302,993.56/418,886.94 = 227,410.84/x
  3. Step 3: Cross multiply
    302,993.56x = 418,886.94 × 227,410.84
  4. Step 4: Simplify right side
    302,993.56x = 95,259,430,890.43
  5. Step 5: Solve for x
    x = 95,259,430,890.43/302,993.56
  6. Step 6: Final answer
    x = 314,394.24

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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.