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Finding the Fourth Proportional to 248,557.14, 343,211.40 and 202,624.20

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Solution

The fourth proportional to 248,557.14, 343,211.40 and 202,624.20 is: 279,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,557.14 : 343,211.40 = 202,624.20 : x
  2. Step 2: Convert to fraction form
    248,557.14/343,211.40 = 202,624.20/x
  3. Step 3: Cross multiply
    248,557.14x = 343,211.40 × 202,624.20
  4. Step 4: Simplify right side
    248,557.14x = 69,542,935,355.88
  5. Step 5: Solve for x
    x = 69,542,935,355.88/248,557.14
  6. Step 6: Final answer
    x = 279,786.51

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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.