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Finding the Fourth Proportional to 222,959.79, 334,439.08 and 54,478.17

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Solution

The fourth proportional to 222,959.79, 334,439.08 and 54,478.17 is: 81,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,959.79 : 334,439.08 = 54,478.17 : x
  2. Step 2: Convert to fraction form
    222,959.79/334,439.08 = 54,478.17/x
  3. Step 3: Cross multiply
    222,959.79x = 334,439.08 × 54,478.17
  4. Step 4: Simplify right side
    222,959.79x = 18,219,628,918.69
  5. Step 5: Solve for x
    x = 18,219,628,918.69/222,959.79
  6. Step 6: Final answer
    x = 81,717.11

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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.