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Finding the Fourth Proportional to 564,672.06, 779,025.20 and 322,824.69

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Solution

The fourth proportional to 564,672.06, 779,025.20 and 322,824.69 is: 445,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,672.06 : 779,025.20 = 322,824.69 : x
  2. Step 2: Convert to fraction form
    564,672.06/779,025.20 = 322,824.69/x
  3. Step 3: Cross multiply
    564,672.06x = 779,025.20 × 322,824.69
  4. Step 4: Simplify right side
    564,672.06x = 251,488,567,078.07
  5. Step 5: Solve for x
    x = 251,488,567,078.07/564,672.06
  6. Step 6: Final answer
    x = 445,371.01

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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.