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Finding the Fourth Proportional to 535,163.72, 802,879.36 and 377,699.72

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Solution

The fourth proportional to 535,163.72, 802,879.36 and 377,699.72 is: 566,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,163.72 : 802,879.36 = 377,699.72 : x
  2. Step 2: Convert to fraction form
    535,163.72/802,879.36 = 377,699.72/x
  3. Step 3: Cross multiply
    535,163.72x = 802,879.36 × 377,699.72
  4. Step 4: Simplify right side
    535,163.72x = 303,247,309,465.78
  5. Step 5: Solve for x
    x = 303,247,309,465.78/535,163.72
  6. Step 6: Final answer
    x = 566,644.00

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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.