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Finding the Fourth Proportional to 432,598.32, 648,972.20 and 192,797.42

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Solution

The fourth proportional to 432,598.32, 648,972.20 and 192,797.42 is: 289,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,598.32 : 648,972.20 = 192,797.42 : x
  2. Step 2: Convert to fraction form
    432,598.32/648,972.20 = 192,797.42/x
  3. Step 3: Cross multiply
    432,598.32x = 648,972.20 × 192,797.42
  4. Step 4: Simplify right side
    432,598.32x = 125,120,163,048.86
  5. Step 5: Solve for x
    x = 125,120,163,048.86/432,598.32
  6. Step 6: Final answer
    x = 289,229.42

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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.