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Finding the Fourth Proportional to 299,770.20, 449,525.70 and 149,952.60

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Solution

The fourth proportional to 299,770.20, 449,525.70 and 149,952.60 is: 224,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,770.20 : 449,525.70 = 149,952.60 : x
  2. Step 2: Convert to fraction form
    299,770.20/449,525.70 = 149,952.60/x
  3. Step 3: Cross multiply
    299,770.20x = 449,525.70 × 149,952.60
  4. Step 4: Simplify right side
    299,770.20x = 67,407,547,481.82
  5. Step 5: Solve for x
    x = 67,407,547,481.82/299,770.20
  6. Step 6: Final answer
    x = 224,864.07

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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.