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Finding the Fourth Proportional to 223,813.80, 335,904.30 and 222,064.20

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Solution

The fourth proportional to 223,813.80, 335,904.30 and 222,064.20 is: 333,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,813.80 : 335,904.30 = 222,064.20 : x
  2. Step 2: Convert to fraction form
    223,813.80/335,904.30 = 222,064.20/x
  3. Step 3: Cross multiply
    223,813.80x = 335,904.30 × 222,064.20
  4. Step 4: Simplify right side
    223,813.80x = 74,592,319,656.06
  5. Step 5: Solve for x
    x = 74,592,319,656.06/223,813.80
  6. Step 6: Final answer
    x = 333,278.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.