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Finding the Fourth Proportional to 504,487.23, 756,728.08 and 216,256.42

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Solution

The fourth proportional to 504,487.23, 756,728.08 and 216,256.42 is: 324,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,487.23 : 756,728.08 = 216,256.42 : x
  2. Step 2: Convert to fraction form
    504,487.23/756,728.08 = 216,256.42/x
  3. Step 3: Cross multiply
    504,487.23x = 756,728.08 × 216,256.42
  4. Step 4: Simplify right side
    504,487.23x = 163,647,305,494.27
  5. Step 5: Solve for x
    x = 163,647,305,494.27/504,487.23
  6. Step 6: Final answer
    x = 324,383.44

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Similar ratio
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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.