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Finding the Fourth Proportional to 222,479.38, 306,936.80 and 164,475.39

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Solution

The fourth proportional to 222,479.38, 306,936.80 and 164,475.39 is: 226,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,479.38 : 306,936.80 = 164,475.39 : x
  2. Step 2: Convert to fraction form
    222,479.38/306,936.80 = 164,475.39/x
  3. Step 3: Cross multiply
    222,479.38x = 306,936.80 × 164,475.39
  4. Step 4: Simplify right side
    222,479.38x = 50,483,550,830.77
  5. Step 5: Solve for x
    x = 50,483,550,830.77/222,479.38
  6. Step 6: Final answer
    x = 226,913.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.