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Finding the Fourth Proportional to 568,583.76, 784,651.44 and 313,934.34

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Solution

The fourth proportional to 568,583.76, 784,651.44 and 313,934.34 is: 433,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,583.76 : 784,651.44 = 313,934.34 : x
  2. Step 2: Convert to fraction form
    568,583.76/784,651.44 = 313,934.34/x
  3. Step 3: Cross multiply
    568,583.76x = 784,651.44 × 313,934.34
  4. Step 4: Simplify right side
    568,583.76x = 246,329,031,946.45
  5. Step 5: Solve for x
    x = 246,329,031,946.45/568,583.76
  6. Step 6: Final answer
    x = 433,232.62

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Double scale
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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.