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Finding the Fourth Proportional to 629,068.38, 863,231.66 and 572,044.38

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Solution

The fourth proportional to 629,068.38, 863,231.66 and 572,044.38 is: 784,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,068.38 : 863,231.66 = 572,044.38 : x
  2. Step 2: Convert to fraction form
    629,068.38/863,231.66 = 572,044.38/x
  3. Step 3: Cross multiply
    629,068.38x = 863,231.66 × 572,044.38
  4. Step 4: Simplify right side
    629,068.38x = 493,806,816,880.85
  5. Step 5: Solve for x
    x = 493,806,816,880.85/629,068.38
  6. Step 6: Final answer
    x = 784,981.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.