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Finding the Fourth Proportional to 299,384.60, 449,076.90 and 193,096.40

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Solution

The fourth proportional to 299,384.60, 449,076.90 and 193,096.40 is: 289,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,384.60 : 449,076.90 = 193,096.40 : x
  2. Step 2: Convert to fraction form
    299,384.60/449,076.90 = 193,096.40/x
  3. Step 3: Cross multiply
    299,384.60x = 449,076.90 × 193,096.40
  4. Step 4: Simplify right side
    299,384.60x = 86,715,132,713.16
  5. Step 5: Solve for x
    x = 86,715,132,713.16/299,384.60
  6. Step 6: Final answer
    x = 289,644.60

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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.