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Finding the Fourth Proportional to 373,776.28, 515,878.14 and 222,883

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Solution

The fourth proportional to 373,776.28, 515,878.14 and 222,883 is: 307,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,776.28 : 515,878.14 = 222,883 : x
  2. Step 2: Convert to fraction form
    373,776.28/515,878.14 = 222,883/x
  3. Step 3: Cross multiply
    373,776.28x = 515,878.14 × 222,883
  4. Step 4: Simplify right side
    373,776.28x = 114,980,467,477.62
  5. Step 5: Solve for x
    x = 114,980,467,477.62/373,776.28
  6. Step 6: Final answer
    x = 307,618.42

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1.5x scale

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.