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Finding the Fourth Proportional to 524,720.52, 787,080.78 and 499,224.96

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Solution

The fourth proportional to 524,720.52, 787,080.78 and 499,224.96 is: 748,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,720.52 : 787,080.78 = 499,224.96 : x
  2. Step 2: Convert to fraction form
    524,720.52/787,080.78 = 499,224.96/x
  3. Step 3: Cross multiply
    524,720.52x = 787,080.78 × 499,224.96
  4. Step 4: Simplify right side
    524,720.52x = 392,930,370,912.27
  5. Step 5: Solve for x
    x = 392,930,370,912.27/524,720.52
  6. Step 6: Final answer
    x = 748,837.44

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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.