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Finding the Fourth Proportional to 862,509.04, 1,294,013 and 356,976.56

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Solution

The fourth proportional to 862,509.04, 1,294,013 and 356,976.56 is: 535,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,509.04 : 1,294,013 = 356,976.56 : x
  2. Step 2: Convert to fraction form
    862,509.04/1,294,013 = 356,976.56/x
  3. Step 3: Cross multiply
    862,509.04x = 1,294,013 × 356,976.56
  4. Step 4: Simplify right side
    862,509.04x = 461,932,309,335.28
  5. Step 5: Solve for x
    x = 461,932,309,335.28/862,509.04
  6. Step 6: Final answer
    x = 535,568.08

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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.