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Finding the Fourth Proportional to 299,499.30, 448,946.55 and 149,508.90

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Solution

The fourth proportional to 299,499.30, 448,946.55 and 149,508.90 is: 224,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,499.30 : 448,946.55 = 149,508.90 : x
  2. Step 2: Convert to fraction form
    299,499.30/448,946.55 = 149,508.90/x
  3. Step 3: Cross multiply
    299,499.30x = 448,946.55 × 149,508.90
  4. Step 4: Simplify right side
    299,499.30x = 67,121,504,849.30
  5. Step 5: Solve for x
    x = 67,121,504,849.30/299,499.30
  6. Step 6: Final answer
    x = 224,112.39

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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.