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Finding the Fourth Proportional to 619,003.29, 927,309.36 and 456,611.25

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Solution

The fourth proportional to 619,003.29, 927,309.36 and 456,611.25 is: 684,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,003.29 : 927,309.36 = 456,611.25 : x
  2. Step 2: Convert to fraction form
    619,003.29/927,309.36 = 456,611.25/x
  3. Step 3: Cross multiply
    619,003.29x = 927,309.36 × 456,611.25
  4. Step 4: Simplify right side
    619,003.29x = 423,419,886,006.30
  5. Step 5: Solve for x
    x = 423,419,886,006.30/619,003.29
  6. Step 6: Final answer
    x = 684,034.95

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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.