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Finding the Fourth Proportional to 524,099.52, 786,807.36 and 436,426.56

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Solution

The fourth proportional to 524,099.52, 786,807.36 and 436,426.56 is: 655,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,099.52 : 786,807.36 = 436,426.56 : x
  2. Step 2: Convert to fraction form
    524,099.52/786,807.36 = 436,426.56/x
  3. Step 3: Cross multiply
    524,099.52x = 786,807.36 × 436,426.56
  4. Step 4: Simplify right side
    524,099.52x = 343,383,629,507.48
  5. Step 5: Solve for x
    x = 343,383,629,507.48/524,099.52
  6. Step 6: Final answer
    x = 655,187.83

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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.