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Finding the Fourth Proportional to 217,486.40, 327,104.40 and 194,741.60

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Solution

The fourth proportional to 217,486.40, 327,104.40 and 194,741.60 is: 292,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,486.40 : 327,104.40 = 194,741.60 : x
  2. Step 2: Convert to fraction form
    217,486.40/327,104.40 = 194,741.60/x
  3. Step 3: Cross multiply
    217,486.40x = 327,104.40 × 194,741.60
  4. Step 4: Simplify right side
    217,486.40x = 63,700,834,223.04
  5. Step 5: Solve for x
    x = 63,700,834,223.04/217,486.40
  6. Step 6: Final answer
    x = 292,895.71

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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.