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Finding the Fourth Proportional to 449,435.92, 674,156.48 and 149,915.72

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Solution

The fourth proportional to 449,435.92, 674,156.48 and 149,915.72 is: 224,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,435.92 : 674,156.48 = 149,915.72 : x
  2. Step 2: Convert to fraction form
    449,435.92/674,156.48 = 149,915.72/x
  3. Step 3: Cross multiply
    449,435.92x = 674,156.48 × 149,915.72
  4. Step 4: Simplify right side
    449,435.92x = 101,066,654,091.87
  5. Step 5: Solve for x
    x = 101,066,654,091.87/449,435.92
  6. Step 6: Final answer
    x = 224,874.45

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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.