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Finding the Fourth Proportional to 576,063.12, 864,093.69 and 238,878.75

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Solution

The fourth proportional to 576,063.12, 864,093.69 and 238,878.75 is: 358,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,063.12 : 864,093.69 = 238,878.75 : x
  2. Step 2: Convert to fraction form
    576,063.12/864,093.69 = 238,878.75/x
  3. Step 3: Cross multiply
    576,063.12x = 864,093.69 × 238,878.75
  4. Step 4: Simplify right side
    576,063.12x = 206,413,620,550.09
  5. Step 5: Solve for x
    x = 206,413,620,550.09/576,063.12
  6. Step 6: Final answer
    x = 358,317.71

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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.