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Finding the Fourth Proportional to 363,381.50, 501,466.48 and 202,274.61

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Solution

The fourth proportional to 363,381.50, 501,466.48 and 202,274.61 is: 279,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,381.50 : 501,466.48 = 202,274.61 : x
  2. Step 2: Convert to fraction form
    363,381.50/501,466.48 = 202,274.61/x
  3. Step 3: Cross multiply
    363,381.50x = 501,466.48 × 202,274.61
  4. Step 4: Simplify right side
    363,381.50x = 101,433,937,104.64
  5. Step 5: Solve for x
    x = 101,433,937,104.64/363,381.50
  6. Step 6: Final answer
    x = 279,138.97

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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.