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Finding the Fourth Proportional to 251,969.10, 376,109.94 and 222,076.32

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Solution

The fourth proportional to 251,969.10, 376,109.94 and 222,076.32 is: 331,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,969.10 : 376,109.94 = 222,076.32 : x
  2. Step 2: Convert to fraction form
    251,969.10/376,109.94 = 222,076.32/x
  3. Step 3: Cross multiply
    251,969.10x = 376,109.94 × 222,076.32
  4. Step 4: Simplify right side
    251,969.10x = 83,525,111,390.62
  5. Step 5: Solve for x
    x = 83,525,111,390.62/251,969.10
  6. Step 6: Final answer
    x = 331,489.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.