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Finding the Fourth Proportional to 334,620.40, 502,100.70 and 222,378.70

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Solution

The fourth proportional to 334,620.40, 502,100.70 and 222,378.70 is: 333,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,620.40 : 502,100.70 = 222,378.70 : x
  2. Step 2: Convert to fraction form
    334,620.40/502,100.70 = 222,378.70/x
  3. Step 3: Cross multiply
    334,620.40x = 502,100.70 × 222,378.70
  4. Step 4: Simplify right side
    334,620.40x = 111,656,500,935.09
  5. Step 5: Solve for x
    x = 111,656,500,935.09/334,620.40
  6. Step 6: Final answer
    x = 333,681.09

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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.