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Finding the Fourth Proportional to 619,659, 854,997.66 and 364,917.24

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Solution

The fourth proportional to 619,659, 854,997.66 and 364,917.24 is: 503,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,659 : 854,997.66 = 364,917.24 : x
  2. Step 2: Convert to fraction form
    619,659/854,997.66 = 364,917.24/x
  3. Step 3: Cross multiply
    619,659x = 854,997.66 × 364,917.24
  4. Step 4: Simplify right side
    619,659x = 312,003,386,293.66
  5. Step 5: Solve for x
    x = 312,003,386,293.66/619,659
  6. Step 6: Final answer
    x = 503,508.20

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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.