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Finding the Fourth Proportional to 322,091.64, 482,948.73 and 215,596.89

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Solution

The fourth proportional to 322,091.64, 482,948.73 and 215,596.89 is: 323,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,091.64 : 482,948.73 = 215,596.89 : x
  2. Step 2: Convert to fraction form
    322,091.64/482,948.73 = 215,596.89/x
  3. Step 3: Cross multiply
    322,091.64x = 482,948.73 × 215,596.89
  4. Step 4: Simplify right side
    322,091.64x = 104,122,244,217.45
  5. Step 5: Solve for x
    x = 104,122,244,217.45/322,091.64
  6. Step 6: Final answer
    x = 323,269.01

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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.