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Finding the Fourth Proportional to 299,428.07, 446,850.53 and 267,479.34

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Solution

The fourth proportional to 299,428.07, 446,850.53 and 267,479.34 is: 399,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,428.07 : 446,850.53 = 267,479.34 : x
  2. Step 2: Convert to fraction form
    299,428.07/446,850.53 = 267,479.34/x
  3. Step 3: Cross multiply
    299,428.07x = 446,850.53 × 267,479.34
  4. Step 4: Simplify right side
    299,428.07x = 119,523,284,843.05
  5. Step 5: Solve for x
    x = 119,523,284,843.05/299,428.07
  6. Step 6: Final answer
    x = 399,171.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.