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Finding the Fourth Proportional to 432,808.88, 649,220.52 and 196,153.56

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Solution

The fourth proportional to 432,808.88, 649,220.52 and 196,153.56 is: 294,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,808.88 : 649,220.52 = 196,153.56 : x
  2. Step 2: Convert to fraction form
    432,808.88/649,220.52 = 196,153.56/x
  3. Step 3: Cross multiply
    432,808.88x = 649,220.52 × 196,153.56
  4. Step 4: Simplify right side
    432,808.88x = 127,346,916,223.05
  5. Step 5: Solve for x
    x = 127,346,916,223.05/432,808.88
  6. Step 6: Final answer
    x = 294,233.60

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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.