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Finding the Fourth Proportional to 201,236.40, 301,854.60 and 193,460.40

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Solution

The fourth proportional to 201,236.40, 301,854.60 and 193,460.40 is: 290,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,236.40 : 301,854.60 = 193,460.40 : x
  2. Step 2: Convert to fraction form
    201,236.40/301,854.60 = 193,460.40/x
  3. Step 3: Cross multiply
    201,236.40x = 301,854.60 × 193,460.40
  4. Step 4: Simplify right side
    201,236.40x = 58,396,911,657.84
  5. Step 5: Solve for x
    x = 58,396,911,657.84/201,236.40
  6. Step 6: Final answer
    x = 290,190.60

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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.