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Finding the Fourth Proportional to 564,781.34, 779,394.66 and 323,067.93

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Solution

The fourth proportional to 564,781.34, 779,394.66 and 323,067.93 is: 445,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,781.34 : 779,394.66 = 323,067.93 : x
  2. Step 2: Convert to fraction form
    564,781.34/779,394.66 = 323,067.93/x
  3. Step 3: Cross multiply
    564,781.34x = 779,394.66 × 323,067.93
  4. Step 4: Simplify right side
    564,781.34x = 251,797,415,325.02
  5. Step 5: Solve for x
    x = 251,797,415,325.02/564,781.34
  6. Step 6: Final answer
    x = 445,831.68

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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.