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Finding the Fourth Proportional to 524,754.08, 787,131 and 499,258.52

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Solution

The fourth proportional to 524,754.08, 787,131 and 499,258.52 is: 748,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,754.08 : 787,131 = 499,258.52 : x
  2. Step 2: Convert to fraction form
    524,754.08/787,131 = 499,258.52/x
  3. Step 3: Cross multiply
    524,754.08x = 787,131 × 499,258.52
  4. Step 4: Simplify right side
    524,754.08x = 392,981,858,106.12
  5. Step 5: Solve for x
    x = 392,981,858,106.12/524,754.08
  6. Step 6: Final answer
    x = 748,887.67

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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.