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Finding the Fourth Proportional to 325,638.95, 487,617.18 and 224,748.41

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Solution

The fourth proportional to 325,638.95, 487,617.18 and 224,748.41 is: 336,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,638.95 : 487,617.18 = 224,748.41 : x
  2. Step 2: Convert to fraction form
    325,638.95/487,617.18 = 224,748.41/x
  3. Step 3: Cross multiply
    325,638.95x = 487,617.18 × 224,748.41
  4. Step 4: Simplify right side
    325,638.95x = 109,591,185,893.68
  5. Step 5: Solve for x
    x = 109,591,185,893.68/325,638.95
  6. Step 6: Final answer
    x = 336,542.01

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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.