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Finding the Fourth Proportional to 524,027.40, 784,226.70 and 313,816.20

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Solution

The fourth proportional to 524,027.40, 784,226.70 and 313,816.20 is: 469,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,027.40 : 784,226.70 = 313,816.20 : x
  2. Step 2: Convert to fraction form
    524,027.40/784,226.70 = 313,816.20/x
  3. Step 3: Cross multiply
    524,027.40x = 784,226.70 × 313,816.20
  4. Step 4: Simplify right side
    524,027.40x = 246,103,042,932.54
  5. Step 5: Solve for x
    x = 246,103,042,932.54/524,027.40
  6. Step 6: Final answer
    x = 469,637.74

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.