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Finding the Fourth Proportional to 322,101.48, 444,428.46 and 194,774.40

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Solution

The fourth proportional to 322,101.48, 444,428.46 and 194,774.40 is: 268,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,101.48 : 444,428.46 = 194,774.40 : x
  2. Step 2: Convert to fraction form
    322,101.48/444,428.46 = 194,774.40/x
  3. Step 3: Cross multiply
    322,101.48x = 444,428.46 × 194,774.40
  4. Step 4: Simplify right side
    322,101.48x = 86,563,286,639.42
  5. Step 5: Solve for x
    x = 86,563,286,639.42/322,101.48
  6. Step 6: Final answer
    x = 268,745.39

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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.