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Finding the Fourth Proportional to 373,972.54, 561,162.92 and 216,508.54

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Solution

The fourth proportional to 373,972.54, 561,162.92 and 216,508.54 is: 324,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,972.54 : 561,162.92 = 216,508.54 : x
  2. Step 2: Convert to fraction form
    373,972.54/561,162.92 = 216,508.54/x
  3. Step 3: Cross multiply
    373,972.54x = 561,162.92 × 216,508.54
  4. Step 4: Simplify right side
    373,972.54x = 121,496,564,511.34
  5. Step 5: Solve for x
    x = 121,496,564,511.34/373,972.54
  6. Step 6: Final answer
    x = 324,880.98

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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.