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Finding the Fourth Proportional to 202,211.60, 303,390.30 and 194,921.60

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Solution

The fourth proportional to 202,211.60, 303,390.30 and 194,921.60 is: 292,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,211.60 : 303,390.30 = 194,921.60 : x
  2. Step 2: Convert to fraction form
    202,211.60/303,390.30 = 194,921.60/x
  3. Step 3: Cross multiply
    202,211.60x = 303,390.30 × 194,921.60
  4. Step 4: Simplify right side
    202,211.60x = 59,137,322,700.48
  5. Step 5: Solve for x
    x = 59,137,322,700.48/202,211.60
  6. Step 6: Final answer
    x = 292,452.67

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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.