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Finding the Fourth Proportional to 304,056.60, 456,084.90 and 192,082.20

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Solution

The fourth proportional to 304,056.60, 456,084.90 and 192,082.20 is: 288,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,056.60 : 456,084.90 = 192,082.20 : x
  2. Step 2: Convert to fraction form
    304,056.60/456,084.90 = 192,082.20/x
  3. Step 3: Cross multiply
    304,056.60x = 456,084.90 × 192,082.20
  4. Step 4: Simplify right side
    304,056.60x = 87,605,790,978.78
  5. Step 5: Solve for x
    x = 87,605,790,978.78/304,056.60
  6. Step 6: Final answer
    x = 288,123.30

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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.