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Finding the Fourth Proportional to 559,703.19, 839,686.02 and 222,764.25

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Solution

The fourth proportional to 559,703.19, 839,686.02 and 222,764.25 is: 334,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,703.19 : 839,686.02 = 222,764.25 : x
  2. Step 2: Convert to fraction form
    559,703.19/839,686.02 = 222,764.25/x
  3. Step 3: Cross multiply
    559,703.19x = 839,686.02 × 222,764.25
  4. Step 4: Simplify right side
    559,703.19x = 187,052,026,480.79
  5. Step 5: Solve for x
    x = 187,052,026,480.79/559,703.19
  6. Step 6: Final answer
    x = 334,198.61

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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.