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Finding the Fourth Proportional to 531,696.72, 796,698.90 and 372,074.88

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Solution

The fourth proportional to 531,696.72, 796,698.90 and 372,074.88 is: 557,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,696.72 : 796,698.90 = 372,074.88 : x
  2. Step 2: Convert to fraction form
    531,696.72/796,698.90 = 372,074.88/x
  3. Step 3: Cross multiply
    531,696.72x = 796,698.90 × 372,074.88
  4. Step 4: Simplify right side
    531,696.72x = 296,431,647,613.63
  5. Step 5: Solve for x
    x = 296,431,647,613.63/531,696.72
  6. Step 6: Final answer
    x = 557,520.17

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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.