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Finding the Fourth Proportional to 568,487.04, 784,507.05 and 313,832.76

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Solution

The fourth proportional to 568,487.04, 784,507.05 and 313,832.76 is: 433,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,487.04 : 784,507.05 = 313,832.76 : x
  2. Step 2: Convert to fraction form
    568,487.04/784,507.05 = 313,832.76/x
  3. Step 3: Cross multiply
    568,487.04x = 784,507.05 × 313,832.76
  4. Step 4: Simplify right side
    568,487.04x = 246,204,012,740.96
  5. Step 5: Solve for x
    x = 246,204,012,740.96/568,487.04
  6. Step 6: Final answer
    x = 433,086.41

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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.