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Finding the Fourth Proportional to 349,222, 481,903.68 and 205,949.20

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Solution

The fourth proportional to 349,222, 481,903.68 and 205,949.20 is: 284,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,222 : 481,903.68 = 205,949.20 : x
  2. Step 2: Convert to fraction form
    349,222/481,903.68 = 205,949.20/x
  3. Step 3: Cross multiply
    349,222x = 481,903.68 × 205,949.20
  4. Step 4: Simplify right side
    349,222x = 99,247,677,373.06
  5. Step 5: Solve for x
    x = 99,247,677,373.06/349,222
  6. Step 6: Final answer
    x = 284,196.52

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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.