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Finding the Fourth Proportional to 363,993.37, 502,348.41 and 218,846.63

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Solution

The fourth proportional to 363,993.37, 502,348.41 and 218,846.63 is: 302,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,993.37 : 502,348.41 = 218,846.63 : x
  2. Step 2: Convert to fraction form
    363,993.37/502,348.41 = 218,846.63/x
  3. Step 3: Cross multiply
    363,993.37x = 502,348.41 × 218,846.63
  4. Step 4: Simplify right side
    363,993.37x = 109,937,257,870.23
  5. Step 5: Solve for x
    x = 109,937,257,870.23/363,993.37
  6. Step 6: Final answer
    x = 302,030.94

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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.