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Finding the Fourth Proportional to 322,272.14, 483,242.16 and 144,626.86

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Solution

The fourth proportional to 322,272.14, 483,242.16 and 144,626.86 is: 216,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,272.14 : 483,242.16 = 144,626.86 : x
  2. Step 2: Convert to fraction form
    322,272.14/483,242.16 = 144,626.86/x
  3. Step 3: Cross multiply
    322,272.14x = 483,242.16 × 144,626.86
  4. Step 4: Simplify right side
    322,272.14x = 69,889,793,804.21
  5. Step 5: Solve for x
    x = 69,889,793,804.21/322,272.14
  6. Step 6: Final answer
    x = 216,865.76

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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.