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Finding the Fourth Proportional to 338,869.56, 467,696.10 and 188,015.16

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Solution

The fourth proportional to 338,869.56, 467,696.10 and 188,015.16 is: 259,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,869.56 : 467,696.10 = 188,015.16 : x
  2. Step 2: Convert to fraction form
    338,869.56/467,696.10 = 188,015.16/x
  3. Step 3: Cross multiply
    338,869.56x = 467,696.10 × 188,015.16
  4. Step 4: Simplify right side
    338,869.56x = 87,933,957,072.88
  5. Step 5: Solve for x
    x = 87,933,957,072.88/338,869.56
  6. Step 6: Final answer
    x = 259,492.05

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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.