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Finding the Fourth Proportional to 568,125.20, 784,012.02 and 313,476.32

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Solution

The fourth proportional to 568,125.20, 784,012.02 and 313,476.32 is: 432,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,125.20 : 784,012.02 = 313,476.32 : x
  2. Step 2: Convert to fraction form
    568,125.20/784,012.02 = 313,476.32/x
  3. Step 3: Cross multiply
    568,125.20x = 784,012.02 × 313,476.32
  4. Step 4: Simplify right side
    568,125.20x = 245,769,202,865.37
  5. Step 5: Solve for x
    x = 245,769,202,865.37/568,125.20
  6. Step 6: Final answer
    x = 432,596.90

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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.