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Finding the Fourth Proportional to 494,328.60, 741,492.90 and 376,230.60

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Solution

The fourth proportional to 494,328.60, 741,492.90 and 376,230.60 is: 564,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,328.60 : 741,492.90 = 376,230.60 : x
  2. Step 2: Convert to fraction form
    494,328.60/741,492.90 = 376,230.60/x
  3. Step 3: Cross multiply
    494,328.60x = 741,492.90 × 376,230.60
  4. Step 4: Simplify right side
    494,328.60x = 278,972,318,662.74
  5. Step 5: Solve for x
    x = 278,972,318,662.74/494,328.60
  6. Step 6: Final answer
    x = 564,345.90

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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.