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Finding the Fourth Proportional to 564,684.40, 779,042.22 and 322,837.03

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Solution

The fourth proportional to 564,684.40, 779,042.22 and 322,837.03 is: 445,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,684.40 : 779,042.22 = 322,837.03 : x
  2. Step 2: Convert to fraction form
    564,684.40/779,042.22 = 322,837.03/x
  3. Step 3: Cross multiply
    564,684.40x = 779,042.22 × 322,837.03
  4. Step 4: Simplify right side
    564,684.40x = 251,503,676,549.41
  5. Step 5: Solve for x
    x = 251,503,676,549.41/564,684.40
  6. Step 6: Final answer
    x = 445,388.04

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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.