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Finding the Fourth Proportional to 222,781.60, 334,172.40 and 214,908.40

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Solution

The fourth proportional to 222,781.60, 334,172.40 and 214,908.40 is: 322,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,781.60 : 334,172.40 = 214,908.40 : x
  2. Step 2: Convert to fraction form
    222,781.60/334,172.40 = 214,908.40/x
  3. Step 3: Cross multiply
    222,781.60x = 334,172.40 × 214,908.40
  4. Step 4: Simplify right side
    222,781.60x = 71,816,455,808.16
  5. Step 5: Solve for x
    x = 71,816,455,808.16/222,781.60
  6. Step 6: Final answer
    x = 322,362.60

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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.