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Finding the Fourth Proportional to 299,445.32, 448,794.17 and 149,728.42

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Solution

The fourth proportional to 299,445.32, 448,794.17 and 149,728.42 is: 224,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,445.32 : 448,794.17 = 149,728.42 : x
  2. Step 2: Convert to fraction form
    299,445.32/448,794.17 = 149,728.42/x
  3. Step 3: Cross multiply
    299,445.32x = 448,794.17 × 149,728.42
  4. Step 4: Simplify right side
    299,445.32x = 67,197,241,231.65
  5. Step 5: Solve for x
    x = 67,197,241,231.65/299,445.32
  6. Step 6: Final answer
    x = 224,405.72

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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.