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Finding the Fourth Proportional to 299,324.16, 449,064.08 and 149,558.40

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Solution

The fourth proportional to 299,324.16, 449,064.08 and 149,558.40 is: 224,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,324.16 : 449,064.08 = 149,558.40 : x
  2. Step 2: Convert to fraction form
    299,324.16/449,064.08 = 149,558.40/x
  3. Step 3: Cross multiply
    299,324.16x = 449,064.08 × 149,558.40
  4. Step 4: Simplify right side
    299,324.16x = 67,161,305,302.27
  5. Step 5: Solve for x
    x = 67,161,305,302.27/299,324.16
  6. Step 6: Final answer
    x = 224,376.49

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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.