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Finding the Fourth Proportional to 568,333.37, 784,244.21 and 313,668.15

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Solution

The fourth proportional to 568,333.37, 784,244.21 and 313,668.15 is: 432,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,333.37 : 784,244.21 = 313,668.15 : x
  2. Step 2: Convert to fraction form
    568,333.37/784,244.21 = 313,668.15/x
  3. Step 3: Cross multiply
    568,333.37x = 784,244.21 × 313,668.15
  4. Step 4: Simplify right side
    568,333.37x = 245,992,428,930.57
  5. Step 5: Solve for x
    x = 245,992,428,930.57/568,333.37
  6. Step 6: Final answer
    x = 432,831.23

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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.