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Finding the Fourth Proportional to 455,672.40, 682,524.45 and 245,064.30

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Solution

The fourth proportional to 455,672.40, 682,524.45 and 245,064.30 is: 367,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,672.40 : 682,524.45 = 245,064.30 : x
  2. Step 2: Convert to fraction form
    455,672.40/682,524.45 = 245,064.30/x
  3. Step 3: Cross multiply
    455,672.40x = 682,524.45 × 245,064.30
  4. Step 4: Simplify right side
    455,672.40x = 167,262,376,572.14
  5. Step 5: Solve for x
    x = 167,262,376,572.14/455,672.40
  6. Step 6: Final answer
    x = 367,067.17

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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.