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Finding the Fourth Proportional to 530,491.12, 795,745.10 and 295,328.48

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Solution

The fourth proportional to 530,491.12, 795,745.10 and 295,328.48 is: 442,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,491.12 : 795,745.10 = 295,328.48 : x
  2. Step 2: Convert to fraction form
    530,491.12/795,745.10 = 295,328.48/x
  3. Step 3: Cross multiply
    530,491.12x = 795,745.10 × 295,328.48
  4. Step 4: Simplify right side
    530,491.12x = 235,006,190,850.45
  5. Step 5: Solve for x
    x = 235,006,190,850.45/530,491.12
  6. Step 6: Final answer
    x = 442,997.41

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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.