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Finding the Fourth Proportional to 629,730.60, 944,423.16 and 376,812.12

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Solution

The fourth proportional to 629,730.60, 944,423.16 and 376,812.12 is: 565,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,730.60 : 944,423.16 = 376,812.12 : x
  2. Step 2: Convert to fraction form
    629,730.60/944,423.16 = 376,812.12/x
  3. Step 3: Cross multiply
    629,730.60x = 944,423.16 × 376,812.12
  4. Step 4: Simplify right side
    629,730.60x = 355,870,093,096.70
  5. Step 5: Solve for x
    x = 355,870,093,096.70/629,730.60
  6. Step 6: Final answer
    x = 565,114.82

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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.