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Finding the Fourth Proportional to 564,826.68, 779,423.75 and 335,372.11

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Solution

The fourth proportional to 564,826.68, 779,423.75 and 335,372.11 is: 462,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,826.68 : 779,423.75 = 335,372.11 : x
  2. Step 2: Convert to fraction form
    564,826.68/779,423.75 = 335,372.11/x
  3. Step 3: Cross multiply
    564,826.68x = 779,423.75 × 335,372.11
  4. Step 4: Simplify right side
    564,826.68x = 261,396,985,253.84
  5. Step 5: Solve for x
    x = 261,396,985,253.84/564,826.68
  6. Step 6: Final answer
    x = 462,791.50

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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.