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Finding the Fourth Proportional to 350,922.60, 526,383.90 and 191,490.30

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Solution

The fourth proportional to 350,922.60, 526,383.90 and 191,490.30 is: 287,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,922.60 : 526,383.90 = 191,490.30 : x
  2. Step 2: Convert to fraction form
    350,922.60/526,383.90 = 191,490.30/x
  3. Step 3: Cross multiply
    350,922.60x = 526,383.90 × 191,490.30
  4. Step 4: Simplify right side
    350,922.60x = 100,797,410,926.17
  5. Step 5: Solve for x
    x = 100,797,410,926.17/350,922.60
  6. Step 6: Final answer
    x = 287,235.45

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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.