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Finding the Fourth Proportional to 548,297.91, 822,458.14 and 169,218.87

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Solution

The fourth proportional to 548,297.91, 822,458.14 and 169,218.87 is: 253,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,297.91 : 822,458.14 = 169,218.87 : x
  2. Step 2: Convert to fraction form
    548,297.91/822,458.14 = 169,218.87/x
  3. Step 3: Cross multiply
    548,297.91x = 822,458.14 × 169,218.87
  4. Step 4: Simplify right side
    548,297.91x = 139,175,433,565.84
  5. Step 5: Solve for x
    x = 139,175,433,565.84/548,297.91
  6. Step 6: Final answer
    x = 253,831.78

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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.