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Finding the Fourth Proportional to 577,642.28, 866,143.36 and 236,325.44

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Solution

The fourth proportional to 577,642.28, 866,143.36 and 236,325.44 is: 354,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,642.28 : 866,143.36 = 236,325.44 : x
  2. Step 2: Convert to fraction form
    577,642.28/866,143.36 = 236,325.44/x
  3. Step 3: Cross multiply
    577,642.28x = 866,143.36 × 236,325.44
  4. Step 4: Simplify right side
    577,642.28x = 204,691,710,655.08
  5. Step 5: Solve for x
    x = 204,691,710,655.08/577,642.28
  6. Step 6: Final answer
    x = 354,357.22

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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.