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Finding the Fourth Proportional to 254,625.20, 382,345.80 and 202,468.40

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Solution

The fourth proportional to 254,625.20, 382,345.80 and 202,468.40 is: 304,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,625.20 : 382,345.80 = 202,468.40 : x
  2. Step 2: Convert to fraction form
    254,625.20/382,345.80 = 202,468.40/x
  3. Step 3: Cross multiply
    254,625.20x = 382,345.80 × 202,468.40
  4. Step 4: Simplify right side
    254,625.20x = 77,412,942,372.72
  5. Step 5: Solve for x
    x = 77,412,942,372.72/254,625.20
  6. Step 6: Final answer
    x = 304,027.03

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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.