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Finding the Fourth Proportional to 564,634.83, 779,258.04 and 322,940.01

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Solution

The fourth proportional to 564,634.83, 779,258.04 and 322,940.01 is: 445,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,634.83 : 779,258.04 = 322,940.01 : x
  2. Step 2: Convert to fraction form
    564,634.83/779,258.04 = 322,940.01/x
  3. Step 3: Cross multiply
    564,634.83x = 779,258.04 × 322,940.01
  4. Step 4: Simplify right side
    564,634.83x = 251,653,599,230.18
  5. Step 5: Solve for x
    x = 251,653,599,230.18/564,634.83
  6. Step 6: Final answer
    x = 445,692.66

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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.