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Finding the Fourth Proportional to 552,972.85, 763,226.99 and 361,875.52

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Solution

The fourth proportional to 552,972.85, 763,226.99 and 361,875.52 is: 499,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,972.85 : 763,226.99 = 361,875.52 : x
  2. Step 2: Convert to fraction form
    552,972.85/763,226.99 = 361,875.52/x
  3. Step 3: Cross multiply
    552,972.85x = 763,226.99 × 361,875.52
  4. Step 4: Simplify right side
    552,972.85x = 276,193,164,385.97
  5. Step 5: Solve for x
    x = 276,193,164,385.97/552,972.85
  6. Step 6: Final answer
    x = 499,469.67

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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.