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Finding the Fourth Proportional to 655,249.41, 904,523.16 and 440,514

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Solution

The fourth proportional to 655,249.41, 904,523.16 and 440,514 is: 608,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,249.41 : 904,523.16 = 440,514 : x
  2. Step 2: Convert to fraction form
    655,249.41/904,523.16 = 440,514/x
  3. Step 3: Cross multiply
    655,249.41x = 904,523.16 × 440,514
  4. Step 4: Simplify right side
    655,249.41x = 398,455,115,304.24
  5. Step 5: Solve for x
    x = 398,455,115,304.24/655,249.41
  6. Step 6: Final answer
    x = 608,096.87

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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.