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Finding the Fourth Proportional to 629,910.21, 944,857.11 and 156,599.67

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Solution

The fourth proportional to 629,910.21, 944,857.11 and 156,599.67 is: 234,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,910.21 : 944,857.11 = 156,599.67 : x
  2. Step 2: Convert to fraction form
    629,910.21/944,857.11 = 156,599.67/x
  3. Step 3: Cross multiply
    629,910.21x = 944,857.11 × 156,599.67
  4. Step 4: Simplify right side
    629,910.21x = 147,964,311,623.15
  5. Step 5: Solve for x
    x = 147,964,311,623.15/629,910.21
  6. Step 6: Final answer
    x = 234,897.47

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1.5x scale

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.