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Finding the Fourth Proportional to 564,914.00, 779,255.89 and 338,428.28

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Solution

The fourth proportional to 564,914.00, 779,255.89 and 338,428.28 is: 466,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,914.00 : 779,255.89 = 338,428.28 : x
  2. Step 2: Convert to fraction form
    564,914.00/779,255.89 = 338,428.28/x
  3. Step 3: Cross multiply
    564,914.00x = 779,255.89 × 338,428.28
  4. Step 4: Simplify right side
    564,914.00x = 263,722,225,790.22
  5. Step 5: Solve for x
    x = 263,722,225,790.22/564,914.00
  6. Step 6: Final answer
    x = 466,836.06

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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.