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Finding the Fourth Proportional to 240,889.24, 361,203.54 and 191,288.44

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Solution

The fourth proportional to 240,889.24, 361,203.54 and 191,288.44 is: 286,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,889.24 : 361,203.54 = 191,288.44 : x
  2. Step 2: Convert to fraction form
    240,889.24/361,203.54 = 191,288.44/x
  3. Step 3: Cross multiply
    240,889.24x = 361,203.54 × 191,288.44
  4. Step 4: Simplify right side
    240,889.24x = 69,094,061,689.08
  5. Step 5: Solve for x
    x = 69,094,061,689.08/240,889.24
  6. Step 6: Final answer
    x = 286,829.17

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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.