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Finding the Fourth Proportional to 524,057.80, 784,920.30 and 454,073.80

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Solution

The fourth proportional to 524,057.80, 784,920.30 and 454,073.80 is: 680,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,057.80 : 784,920.30 = 454,073.80 : x
  2. Step 2: Convert to fraction form
    524,057.80/784,920.30 = 454,073.80/x
  3. Step 3: Cross multiply
    524,057.80x = 784,920.30 × 454,073.80
  4. Step 4: Simplify right side
    524,057.80x = 356,411,743,318.14
  5. Step 5: Solve for x
    x = 356,411,743,318.14/524,057.80
  6. Step 6: Final answer
    x = 680,100.06

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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.