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Finding the Fourth Proportional to 564,096.40, 845,700.72 and 279,591.28

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Solution

The fourth proportional to 564,096.40, 845,700.72 and 279,591.28 is: 419,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,096.40 : 845,700.72 = 279,591.28 : x
  2. Step 2: Convert to fraction form
    564,096.40/845,700.72 = 279,591.28/x
  3. Step 3: Cross multiply
    564,096.40x = 845,700.72 × 279,591.28
  4. Step 4: Simplify right side
    564,096.40x = 236,450,546,801.72
  5. Step 5: Solve for x
    x = 236,450,546,801.72/564,096.40
  6. Step 6: Final answer
    x = 419,166.91

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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.