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Finding the Fourth Proportional to 624,213.54, 861,169.58 and 362,524.30

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Solution

The fourth proportional to 624,213.54, 861,169.58 and 362,524.30 is: 500,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,213.54 : 861,169.58 = 362,524.30 : x
  2. Step 2: Convert to fraction form
    624,213.54/861,169.58 = 362,524.30/x
  3. Step 3: Cross multiply
    624,213.54x = 861,169.58 × 362,524.30
  4. Step 4: Simplify right side
    624,213.54x = 312,194,899,170.79
  5. Step 5: Solve for x
    x = 312,194,899,170.79/624,213.54
  6. Step 6: Final answer
    x = 500,141.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.