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Finding the Fourth Proportional to 334,611.40, 502,087.20 and 222,369.70

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Solution

The fourth proportional to 334,611.40, 502,087.20 and 222,369.70 is: 333,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,611.40 : 502,087.20 = 222,369.70 : x
  2. Step 2: Convert to fraction form
    334,611.40/502,087.20 = 222,369.70/x
  3. Step 3: Cross multiply
    334,611.40x = 502,087.20 × 222,369.70
  4. Step 4: Simplify right side
    334,611.40x = 111,648,980,037.84
  5. Step 5: Solve for x
    x = 111,648,980,037.84/334,611.40
  6. Step 6: Final answer
    x = 333,667.59

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1.5x scale

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.