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Finding the Fourth Proportional to 222,759.60, 334,139.40 and 214,886.40

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Solution

The fourth proportional to 222,759.60, 334,139.40 and 214,886.40 is: 322,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,759.60 : 334,139.40 = 214,886.40 : x
  2. Step 2: Convert to fraction form
    222,759.60/334,139.40 = 214,886.40/x
  3. Step 3: Cross multiply
    222,759.60x = 334,139.40 × 214,886.40
  4. Step 4: Simplify right side
    222,759.60x = 71,802,012,764.16
  5. Step 5: Solve for x
    x = 71,802,012,764.16/222,759.60
  6. Step 6: Final answer
    x = 322,329.60

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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.