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Finding the Fourth Proportional to 363,092.84, 500,863.60 and 217,861.05

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Solution

The fourth proportional to 363,092.84, 500,863.60 and 217,861.05 is: 300,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,092.84 : 500,863.60 = 217,861.05 : x
  2. Step 2: Convert to fraction form
    363,092.84/500,863.60 = 217,861.05/x
  3. Step 3: Cross multiply
    363,092.84x = 500,863.60 × 217,861.05
  4. Step 4: Simplify right side
    363,092.84x = 109,118,669,802.78
  5. Step 5: Solve for x
    x = 109,118,669,802.78/363,092.84
  6. Step 6: Final answer
    x = 300,525.53

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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.