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Finding the Fourth Proportional to 363,016.49, 500,889.35 and 212,084.33

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Solution

The fourth proportional to 363,016.49, 500,889.35 and 212,084.33 is: 292,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,016.49 : 500,889.35 = 212,084.33 : x
  2. Step 2: Convert to fraction form
    363,016.49/500,889.35 = 212,084.33/x
  3. Step 3: Cross multiply
    363,016.49x = 500,889.35 × 212,084.33
  4. Step 4: Simplify right side
    363,016.49x = 106,230,781,138.46
  5. Step 5: Solve for x
    x = 106,230,781,138.46/363,016.49
  6. Step 6: Final answer
    x = 292,633.49

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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.