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Finding the Fourth Proportional to 248,651.80, 372,980.32 and 199,047.24

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Solution

The fourth proportional to 248,651.80, 372,980.32 and 199,047.24 is: 298,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,651.80 : 372,980.32 = 199,047.24 : x
  2. Step 2: Convert to fraction form
    248,651.80/372,980.32 = 199,047.24/x
  3. Step 3: Cross multiply
    248,651.80x = 372,980.32 × 199,047.24
  4. Step 4: Simplify right side
    248,651.80x = 74,240,703,270.32
  5. Step 5: Solve for x
    x = 74,240,703,270.32/248,651.80
  6. Step 6: Final answer
    x = 298,572.96

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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.