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Finding the Fourth Proportional to 568,095.10, 784,255.30 and 353,304.36

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Solution

The fourth proportional to 568,095.10, 784,255.30 and 353,304.36 is: 487,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,095.10 : 784,255.30 = 353,304.36 : x
  2. Step 2: Convert to fraction form
    568,095.10/784,255.30 = 353,304.36/x
  3. Step 3: Cross multiply
    568,095.10x = 784,255.30 × 353,304.36
  4. Step 4: Simplify right side
    568,095.10x = 277,080,816,843.11
  5. Step 5: Solve for x
    x = 277,080,816,843.11/568,095.10
  6. Step 6: Final answer
    x = 487,736.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.