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Finding the Fourth Proportional to 297,002.20, 445,416.90 and 163,946.20

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Solution

The fourth proportional to 297,002.20, 445,416.90 and 163,946.20 is: 245,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,002.20 : 445,416.90 = 163,946.20 : x
  2. Step 2: Convert to fraction form
    297,002.20/445,416.90 = 163,946.20/x
  3. Step 3: Cross multiply
    297,002.20x = 445,416.90 × 163,946.20
  4. Step 4: Simplify right side
    297,002.20x = 73,024,408,170.78
  5. Step 5: Solve for x
    x = 73,024,408,170.78/297,002.20
  6. Step 6: Final answer
    x = 245,871.61

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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.