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Finding the Fourth Proportional to 564,227.61, 778,634.01 and 322,515.37

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Solution

The fourth proportional to 564,227.61, 778,634.01 and 322,515.37 is: 445,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,227.61 : 778,634.01 = 322,515.37 : x
  2. Step 2: Convert to fraction form
    564,227.61/778,634.01 = 322,515.37/x
  3. Step 3: Cross multiply
    564,227.61x = 778,634.01 × 322,515.37
  4. Step 4: Simplify right side
    564,227.61x = 251,121,435,829.73
  5. Step 5: Solve for x
    x = 251,121,435,829.73/564,227.61
  6. Step 6: Final answer
    x = 445,071.16

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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.