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Finding the Fourth Proportional to 568,104.92, 784,001.20 and 313,472.51

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Solution

The fourth proportional to 568,104.92, 784,001.20 and 313,472.51 is: 432,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,104.92 : 784,001.20 = 313,472.51 : x
  2. Step 2: Convert to fraction form
    568,104.92/784,001.20 = 313,472.51/x
  3. Step 3: Cross multiply
    568,104.92x = 784,001.20 × 313,472.51
  4. Step 4: Simplify right side
    568,104.92x = 245,762,824,007.01
  5. Step 5: Solve for x
    x = 245,762,824,007.01/568,104.92
  6. Step 6: Final answer
    x = 432,601.12

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1.5x scale

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.