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Finding the Fourth Proportional to 363,013.74, 500,885.19 and 212,081.58

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Solution

The fourth proportional to 363,013.74, 500,885.19 and 212,081.58 is: 292,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,013.74 : 500,885.19 = 212,081.58 : x
  2. Step 2: Convert to fraction form
    363,013.74/500,885.19 = 212,081.58/x
  3. Step 3: Cross multiply
    363,013.74x = 500,885.19 × 212,081.58
  4. Step 4: Simplify right side
    363,013.74x = 106,228,522,493.80
  5. Step 5: Solve for x
    x = 106,228,522,493.80/363,013.74
  6. Step 6: Final answer
    x = 292,629.48

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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.