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Finding the Fourth Proportional to 363,738.79, 501,785.68 and 282,611.11

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Solution

The fourth proportional to 363,738.79, 501,785.68 and 282,611.11 is: 389,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,738.79 : 501,785.68 = 282,611.11 : x
  2. Step 2: Convert to fraction form
    363,738.79/501,785.68 = 282,611.11/x
  3. Step 3: Cross multiply
    363,738.79x = 501,785.68 × 282,611.11
  4. Step 4: Simplify right side
    363,738.79x = 141,810,206,045.91
  5. Step 5: Solve for x
    x = 141,810,206,045.91/363,738.79
  6. Step 6: Final answer
    x = 389,868.25

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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.