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Finding the Fourth Proportional to 535,163.28, 802,878.77 and 377,699.28

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Solution

The fourth proportional to 535,163.28, 802,878.77 and 377,699.28 is: 566,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,163.28 : 802,878.77 = 377,699.28 : x
  2. Step 2: Convert to fraction form
    535,163.28/802,878.77 = 377,699.28/x
  3. Step 3: Cross multiply
    535,163.28x = 802,878.77 × 377,699.28
  4. Step 4: Simplify right side
    535,163.28x = 303,246,731,467.79
  5. Step 5: Solve for x
    x = 303,246,731,467.79/535,163.28
  6. Step 6: Final answer
    x = 566,643.38

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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.