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Finding the Fourth Proportional to 536,087.21, 803,952.41 and 216,156.44

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Solution

The fourth proportional to 536,087.21, 803,952.41 and 216,156.44 is: 324,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,087.21 : 803,952.41 = 216,156.44 : x
  2. Step 2: Convert to fraction form
    536,087.21/803,952.41 = 216,156.44/x
  3. Step 3: Cross multiply
    536,087.21x = 803,952.41 × 216,156.44
  4. Step 4: Simplify right side
    536,087.21x = 173,779,491,804.12
  5. Step 5: Solve for x
    x = 173,779,491,804.12/536,087.21
  6. Step 6: Final answer
    x = 324,162.73

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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.