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Finding the Fourth Proportional to 524,366.39, 785,831.94 and 396,177.27

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Solution

The fourth proportional to 524,366.39, 785,831.94 and 396,177.27 is: 593,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,366.39 : 785,831.94 = 396,177.27 : x
  2. Step 2: Convert to fraction form
    524,366.39/785,831.94 = 396,177.27/x
  3. Step 3: Cross multiply
    524,366.39x = 785,831.94 × 396,177.27
  4. Step 4: Simplify right side
    524,366.39x = 311,328,752,668.00
  5. Step 5: Solve for x
    x = 311,328,752,668.00/524,366.39
  6. Step 6: Final answer
    x = 593,723.70

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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.