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Finding the Fourth Proportional to 297,029.80, 445,544.70 and 191,967.40

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Solution

The fourth proportional to 297,029.80, 445,544.70 and 191,967.40 is: 287,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,029.80 : 445,544.70 = 191,967.40 : x
  2. Step 2: Convert to fraction form
    297,029.80/445,544.70 = 191,967.40/x
  3. Step 3: Cross multiply
    297,029.80x = 445,544.70 × 191,967.40
  4. Step 4: Simplify right side
    297,029.80x = 85,530,057,642.78
  5. Step 5: Solve for x
    x = 85,530,057,642.78/297,029.80
  6. Step 6: Final answer
    x = 287,951.10

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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.