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Finding the Fourth Proportional to 357,662.20, 536,493.30 and 224,635.90

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Solution

The fourth proportional to 357,662.20, 536,493.30 and 224,635.90 is: 336,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,662.20 : 536,493.30 = 224,635.90 : x
  2. Step 2: Convert to fraction form
    357,662.20/536,493.30 = 224,635.90/x
  3. Step 3: Cross multiply
    357,662.20x = 536,493.30 × 224,635.90
  4. Step 4: Simplify right side
    357,662.20x = 120,515,655,289.47
  5. Step 5: Solve for x
    x = 120,515,655,289.47/357,662.20
  6. Step 6: Final answer
    x = 336,953.85

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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.