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Finding the Fourth Proportional to 338,611.92, 467,299.16 and 202,619.84

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Solution

The fourth proportional to 338,611.92, 467,299.16 and 202,619.84 is: 279,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,611.92 : 467,299.16 = 202,619.84 : x
  2. Step 2: Convert to fraction form
    338,611.92/467,299.16 = 202,619.84/x
  3. Step 3: Cross multiply
    338,611.92x = 467,299.16 × 202,619.84
  4. Step 4: Simplify right side
    338,611.92x = 94,684,081,031.33
  5. Step 5: Solve for x
    x = 94,684,081,031.33/338,611.92
  6. Step 6: Final answer
    x = 279,624.18

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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.