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Finding the Fourth Proportional to 248,247.48, 341,716.32 and 216,361

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Solution

The fourth proportional to 248,247.48, 341,716.32 and 216,361 is: 297,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247.48 : 341,716.32 = 216,361 : x
  2. Step 2: Convert to fraction form
    248,247.48/341,716.32 = 216,361/x
  3. Step 3: Cross multiply
    248,247.48x = 341,716.32 × 216,361
  4. Step 4: Simplify right side
    248,247.48x = 73,934,084,711.52
  5. Step 5: Solve for x
    x = 73,934,084,711.52/248,247.48
  6. Step 6: Final answer
    x = 297,824.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.