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Finding the Fourth Proportional to 272,915.70, 409,373.55 and 244,047.30

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Solution

The fourth proportional to 272,915.70, 409,373.55 and 244,047.30 is: 366,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,915.70 : 409,373.55 = 244,047.30 : x
  2. Step 2: Convert to fraction form
    272,915.70/409,373.55 = 244,047.30/x
  3. Step 3: Cross multiply
    272,915.70x = 409,373.55 × 244,047.30
  4. Step 4: Simplify right side
    272,915.70x = 99,906,509,568.92
  5. Step 5: Solve for x
    x = 99,906,509,568.92/272,915.70
  6. Step 6: Final answer
    x = 366,070.95

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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.