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Finding the Fourth Proportional to 564,756.84, 779,380.38 and 335,257.92

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Solution

The fourth proportional to 564,756.84, 779,380.38 and 335,257.92 is: 462,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,756.84 : 779,380.38 = 335,257.92 : x
  2. Step 2: Convert to fraction form
    564,756.84/779,380.38 = 335,257.92/x
  3. Step 3: Cross multiply
    564,756.84x = 779,380.38 × 335,257.92
  4. Step 4: Simplify right side
    564,756.84x = 261,293,445,087.61
  5. Step 5: Solve for x
    x = 261,293,445,087.61/564,756.84
  6. Step 6: Final answer
    x = 462,665.39

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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.