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Finding the Fourth Proportional to 351,120.80, 526,459.76 and 193,459.97

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Solution

The fourth proportional to 351,120.80, 526,459.76 and 193,459.97 is: 290,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,120.80 : 526,459.76 = 193,459.97 : x
  2. Step 2: Convert to fraction form
    351,120.80/526,459.76 = 193,459.97/x
  3. Step 3: Cross multiply
    351,120.80x = 526,459.76 × 193,459.97
  4. Step 4: Simplify right side
    351,120.80x = 101,848,886,501.68
  5. Step 5: Solve for x
    x = 101,848,886,501.68/351,120.80
  6. Step 6: Final answer
    x = 290,067.94

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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.