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Finding the Fourth Proportional to 540,770.40, 746,249.04 and 299,046.24

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Solution

The fourth proportional to 540,770.40, 746,249.04 and 299,046.24 is: 412,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,770.40 : 746,249.04 = 299,046.24 : x
  2. Step 2: Convert to fraction form
    540,770.40/746,249.04 = 299,046.24/x
  3. Step 3: Cross multiply
    540,770.40x = 746,249.04 × 299,046.24
  4. Step 4: Simplify right side
    540,770.40x = 223,162,969,515.61
  5. Step 5: Solve for x
    x = 223,162,969,515.61/540,770.40
  6. Step 6: Final answer
    x = 412,676.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.