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Finding the Fourth Proportional to 322,074.30, 483,111.45 and 227,595.90

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Solution

The fourth proportional to 322,074.30, 483,111.45 and 227,595.90 is: 341,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,074.30 : 483,111.45 = 227,595.90 : x
  2. Step 2: Convert to fraction form
    322,074.30/483,111.45 = 227,595.90/x
  3. Step 3: Cross multiply
    322,074.30x = 483,111.45 × 227,595.90
  4. Step 4: Simplify right side
    322,074.30x = 109,954,185,263.06
  5. Step 5: Solve for x
    x = 109,954,185,263.06/322,074.30
  6. Step 6: Final answer
    x = 341,393.85

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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.