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Finding the Fourth Proportional to 564,043.76, 845,644.86 and 339,351.56

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Solution

The fourth proportional to 564,043.76, 845,644.86 and 339,351.56 is: 508,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,043.76 : 845,644.86 = 339,351.56 : x
  2. Step 2: Convert to fraction form
    564,043.76/845,644.86 = 339,351.56/x
  3. Step 3: Cross multiply
    564,043.76x = 845,644.86 × 339,351.56
  4. Step 4: Simplify right side
    564,043.76x = 286,970,902,446.98
  5. Step 5: Solve for x
    x = 286,970,902,446.98/564,043.76
  6. Step 6: Final answer
    x = 508,774.18

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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.