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Finding the Fourth Proportional to 364,789.98, 547,211.12 and 140,150.43

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Solution

The fourth proportional to 364,789.98, 547,211.12 and 140,150.43 is: 210,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,789.98 : 547,211.12 = 140,150.43 : x
  2. Step 2: Convert to fraction form
    364,789.98/547,211.12 = 140,150.43/x
  3. Step 3: Cross multiply
    364,789.98x = 547,211.12 × 140,150.43
  4. Step 4: Simplify right side
    364,789.98x = 76,691,873,068.03
  5. Step 5: Solve for x
    x = 76,691,873,068.03/364,789.98
  6. Step 6: Final answer
    x = 210,235.69

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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.