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Finding the Fourth Proportional to 298,831.84, 448,247.84 and 205,053.28

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Solution

The fourth proportional to 298,831.84, 448,247.84 and 205,053.28 is: 307,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,831.84 : 448,247.84 = 205,053.28 : x
  2. Step 2: Convert to fraction form
    298,831.84/448,247.84 = 205,053.28/x
  3. Step 3: Cross multiply
    298,831.84x = 448,247.84 × 205,053.28
  4. Step 4: Simplify right side
    298,831.84x = 91,914,689,844.92
  5. Step 5: Solve for x
    x = 91,914,689,844.92/298,831.84
  6. Step 6: Final answer
    x = 307,579.97

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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.