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Finding the Fourth Proportional to 533,074.56, 799,215.84 and 322,663.20

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Solution

The fourth proportional to 533,074.56, 799,215.84 and 322,663.20 is: 483,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,074.56 : 799,215.84 = 322,663.20 : x
  2. Step 2: Convert to fraction form
    533,074.56/799,215.84 = 322,663.20/x
  3. Step 3: Cross multiply
    533,074.56x = 799,215.84 × 322,663.20
  4. Step 4: Simplify right side
    533,074.56x = 257,877,540,425.09
  5. Step 5: Solve for x
    x = 257,877,540,425.09/533,074.56
  6. Step 6: Final answer
    x = 483,755.11

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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.