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Finding the Fourth Proportional to 564,676.24, 779,254.72 and 310,043.92

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Solution

The fourth proportional to 564,676.24, 779,254.72 and 310,043.92 is: 427,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,676.24 : 779,254.72 = 310,043.92 : x
  2. Step 2: Convert to fraction form
    564,676.24/779,254.72 = 310,043.92/x
  3. Step 3: Cross multiply
    564,676.24x = 779,254.72 × 310,043.92
  4. Step 4: Simplify right side
    564,676.24x = 241,603,188,067.30
  5. Step 5: Solve for x
    x = 241,603,188,067.30/564,676.24
  6. Step 6: Final answer
    x = 427,861.44

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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.