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Finding the Fourth Proportional to 322,574.10, 483,745.95 and 112,218.90

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Solution

The fourth proportional to 322,574.10, 483,745.95 and 112,218.90 is: 168,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,574.10 : 483,745.95 = 112,218.90 : x
  2. Step 2: Convert to fraction form
    322,574.10/483,745.95 = 112,218.90/x
  3. Step 3: Cross multiply
    322,574.10x = 483,745.95 × 112,218.90
  4. Step 4: Simplify right side
    322,574.10x = 54,285,438,388.46
  5. Step 5: Solve for x
    x = 54,285,438,388.46/322,574.10
  6. Step 6: Final answer
    x = 168,288.27

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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.