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Finding the Fourth Proportional to 248,649.87, 372,977.42 and 199,045.30

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Solution

The fourth proportional to 248,649.87, 372,977.42 and 199,045.30 is: 298,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,649.87 : 372,977.42 = 199,045.30 : x
  2. Step 2: Convert to fraction form
    248,649.87/372,977.42 = 199,045.30/x
  3. Step 3: Cross multiply
    248,649.87x = 372,977.42 × 199,045.30
  4. Step 4: Simplify right side
    248,649.87x = 74,239,400,529.46
  5. Step 5: Solve for x
    x = 74,239,400,529.46/248,649.87
  6. Step 6: Final answer
    x = 298,570.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.