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Finding the Fourth Proportional to 401,714.24, 554,362.88 and 222,866.24

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Solution

The fourth proportional to 401,714.24, 554,362.88 and 222,866.24 is: 307,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,714.24 : 554,362.88 = 222,866.24 : x
  2. Step 2: Convert to fraction form
    401,714.24/554,362.88 = 222,866.24/x
  3. Step 3: Cross multiply
    401,714.24x = 554,362.88 × 222,866.24
  4. Step 4: Simplify right side
    401,714.24x = 123,548,770,661.17
  5. Step 5: Solve for x
    x = 123,548,770,661.17/401,714.24
  6. Step 6: Final answer
    x = 307,553.87

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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.