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Finding the Fourth Proportional to 254,302.72, 351,078.72 and 227,380.48

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Solution

The fourth proportional to 254,302.72, 351,078.72 and 227,380.48 is: 313,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,302.72 : 351,078.72 = 227,380.48 : x
  2. Step 2: Convert to fraction form
    254,302.72/351,078.72 = 227,380.48/x
  3. Step 3: Cross multiply
    254,302.72x = 351,078.72 × 227,380.48
  4. Step 4: Simplify right side
    254,302.72x = 79,828,447,871.39
  5. Step 5: Solve for x
    x = 79,828,447,871.39/254,302.72
  6. Step 6: Final answer
    x = 313,911.11

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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.