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Finding the Fourth Proportional to 564,747.84, 779,377.44 and 338,388.48

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Solution

The fourth proportional to 564,747.84, 779,377.44 and 338,388.48 is: 466,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,747.84 : 779,377.44 = 338,388.48 : x
  2. Step 2: Convert to fraction form
    564,747.84/779,377.44 = 338,388.48/x
  3. Step 3: Cross multiply
    564,747.84x = 779,377.44 × 338,388.48
  4. Step 4: Simplify right side
    564,747.84x = 263,732,347,267.89
  5. Step 5: Solve for x
    x = 263,732,347,267.89/564,747.84
  6. Step 6: Final answer
    x = 466,991.33

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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.