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Finding the Fourth Proportional to 299,376.90, 449,065.35 and 295,440.30

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Solution

The fourth proportional to 299,376.90, 449,065.35 and 295,440.30 is: 443,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,376.90 : 449,065.35 = 295,440.30 : x
  2. Step 2: Convert to fraction form
    299,376.90/449,065.35 = 295,440.30/x
  3. Step 3: Cross multiply
    299,376.90x = 449,065.35 × 295,440.30
  4. Step 4: Simplify right side
    299,376.90x = 132,672,001,723.61
  5. Step 5: Solve for x
    x = 132,672,001,723.61/299,376.90
  6. Step 6: Final answer
    x = 443,160.45

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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.