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Finding the Fourth Proportional to 222,412.84, 333,479.10 and 188,690.64

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Solution

The fourth proportional to 222,412.84, 333,479.10 and 188,690.64 is: 282,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,412.84 : 333,479.10 = 188,690.64 : x
  2. Step 2: Convert to fraction form
    222,412.84/333,479.10 = 188,690.64/x
  3. Step 3: Cross multiply
    222,412.84x = 333,479.10 × 188,690.64
  4. Step 4: Simplify right side
    222,412.84x = 62,924,384,805.62
  5. Step 5: Solve for x
    x = 62,924,384,805.62/222,412.84
  6. Step 6: Final answer
    x = 282,917.05

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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.