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Finding the Fourth Proportional to 322,575.10, 483,747.45 and 112,219.90

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Solution

The fourth proportional to 322,575.10, 483,747.45 and 112,219.90 is: 168,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,575.10 : 483,747.45 = 112,219.90 : x
  2. Step 2: Convert to fraction form
    322,575.10/483,747.45 = 112,219.90/x
  3. Step 3: Cross multiply
    322,575.10x = 483,747.45 × 112,219.90
  4. Step 4: Simplify right side
    322,575.10x = 54,286,090,464.26
  5. Step 5: Solve for x
    x = 54,286,090,464.26/322,575.10
  6. Step 6: Final answer
    x = 168,289.77

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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.