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Finding the Fourth Proportional to 545,758.72, 753,145.14 and 304,027

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Solution

The fourth proportional to 545,758.72, 753,145.14 and 304,027 is: 419,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,758.72 : 753,145.14 = 304,027 : x
  2. Step 2: Convert to fraction form
    545,758.72/753,145.14 = 304,027/x
  3. Step 3: Cross multiply
    545,758.72x = 753,145.14 × 304,027
  4. Step 4: Simplify right side
    545,758.72x = 228,976,457,478.78
  5. Step 5: Solve for x
    x = 228,976,457,478.78/545,758.72
  6. Step 6: Final answer
    x = 419,556.21

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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.