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Finding the Fourth Proportional to 1,831.14, 2,747.20 and 598.39

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Solution

The fourth proportional to 1,831.14, 2,747.20 and 598.39 is: 897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.14 : 2,747.20 = 598.39 : x
  2. Step 2: Convert to fraction form
    1,831.14/2,747.20 = 598.39/x
  3. Step 3: Cross multiply
    1,831.14x = 2,747.20 × 598.39
  4. Step 4: Simplify right side
    1,831.14x = 1,643,884.77
  5. Step 5: Solve for x
    x = 1,643,884.77/1,831.14
  6. Step 6: Final answer
    x = 897.74

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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.