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Finding the Fourth Proportional to 494,328.30, 741,492.45 and 228,607.80

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Solution

The fourth proportional to 494,328.30, 741,492.45 and 228,607.80 is: 342,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,328.30 : 741,492.45 = 228,607.80 : x
  2. Step 2: Convert to fraction form
    494,328.30/741,492.45 = 228,607.80/x
  3. Step 3: Cross multiply
    494,328.30x = 741,492.45 × 228,607.80
  4. Step 4: Simplify right side
    494,328.30x = 169,510,957,711.11
  5. Step 5: Solve for x
    x = 169,510,957,711.11/494,328.30
  6. Step 6: Final answer
    x = 342,911.70

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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.