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Finding the Fourth Proportional to 523,272.44, 722,215.50 and 296,939

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Solution

The fourth proportional to 523,272.44, 722,215.50 and 296,939 is: 409,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,272.44 : 722,215.50 = 296,939 : x
  2. Step 2: Convert to fraction form
    523,272.44/722,215.50 = 296,939/x
  3. Step 3: Cross multiply
    523,272.44x = 722,215.50 × 296,939
  4. Step 4: Simplify right side
    523,272.44x = 214,453,948,354.50
  5. Step 5: Solve for x
    x = 214,453,948,354.50/523,272.44
  6. Step 6: Final answer
    x = 409,832.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.