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Finding the Fourth Proportional to 377,910.18, 566,861.74 and 153,217.21

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Solution

The fourth proportional to 377,910.18, 566,861.74 and 153,217.21 is: 229,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,910.18 : 566,861.74 = 153,217.21 : x
  2. Step 2: Convert to fraction form
    377,910.18/566,861.74 = 153,217.21/x
  3. Step 3: Cross multiply
    377,910.18x = 566,861.74 × 153,217.21
  4. Step 4: Simplify right side
    377,910.18x = 86,852,974,258.55
  5. Step 5: Solve for x
    x = 86,852,974,258.55/377,910.18
  6. Step 6: Final answer
    x = 229,824.38

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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.