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Finding the Fourth Proportional to 576,305.42, 865,066.84 and 323,801.69

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Solution

The fourth proportional to 576,305.42, 865,066.84 and 323,801.69 is: 486,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,305.42 : 865,066.84 = 323,801.69 : x
  2. Step 2: Convert to fraction form
    576,305.42/865,066.84 = 323,801.69/x
  3. Step 3: Cross multiply
    576,305.42x = 865,066.84 × 323,801.69
  4. Step 4: Simplify right side
    576,305.42x = 280,110,099,620.12
  5. Step 5: Solve for x
    x = 280,110,099,620.12/576,305.42
  6. Step 6: Final answer
    x = 486,044.54

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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.