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Finding the Fourth Proportional to 299,712.71, 449,181.55 and 224,240.70

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Solution

The fourth proportional to 299,712.71, 449,181.55 and 224,240.70 is: 336,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,712.71 : 449,181.55 = 224,240.70 : x
  2. Step 2: Convert to fraction form
    299,712.71/449,181.55 = 224,240.70/x
  3. Step 3: Cross multiply
    299,712.71x = 449,181.55 × 224,240.70
  4. Step 4: Simplify right side
    299,712.71x = 100,724,787,163.82
  5. Step 5: Solve for x
    x = 100,724,787,163.82/299,712.71
  6. Step 6: Final answer
    x = 336,071.13

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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.