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Finding the Fourth Proportional to 564,043.27, 845,644.11 and 339,351.05

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Solution

The fourth proportional to 564,043.27, 845,644.11 and 339,351.05 is: 508,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,043.27 : 845,644.11 = 339,351.05 : x
  2. Step 2: Convert to fraction form
    564,043.27/845,644.11 = 339,351.05/x
  3. Step 3: Cross multiply
    564,043.27x = 845,644.11 × 339,351.05
  4. Step 4: Simplify right side
    564,043.27x = 286,970,216,654.82
  5. Step 5: Solve for x
    x = 286,970,216,654.82/564,043.27
  6. Step 6: Final answer
    x = 508,773.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.