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Finding the Fourth Proportional to 299,310.40, 449,047.59 and 149,369.68

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Solution

The fourth proportional to 299,310.40, 449,047.59 and 149,369.68 is: 224,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,310.40 : 449,047.59 = 149,369.68 : x
  2. Step 2: Convert to fraction form
    299,310.40/449,047.59 = 149,369.68/x
  3. Step 3: Cross multiply
    299,310.40x = 449,047.59 × 149,369.68
  4. Step 4: Simplify right side
    299,310.40x = 67,074,094,823.07
  5. Step 5: Solve for x
    x = 67,074,094,823.07/299,310.40
  6. Step 6: Final answer
    x = 224,095.44

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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.