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Finding the Fourth Proportional to 322,576.60, 483,749.70 and 112,221.40

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Solution

The fourth proportional to 322,576.60, 483,749.70 and 112,221.40 is: 168,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,576.60 : 483,749.70 = 112,221.40 : x
  2. Step 2: Convert to fraction form
    322,576.60/483,749.70 = 112,221.40/x
  3. Step 3: Cross multiply
    322,576.60x = 483,749.70 × 112,221.40
  4. Step 4: Simplify right side
    322,576.60x = 54,287,068,583.58
  5. Step 5: Solve for x
    x = 54,287,068,583.58/322,576.60
  6. Step 6: Final answer
    x = 168,292.02

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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.