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Finding the Fourth Proportional to 432,997.60, 649,496.40 and 275,922.40

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Solution

The fourth proportional to 432,997.60, 649,496.40 and 275,922.40 is: 413,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,997.60 : 649,496.40 = 275,922.40 : x
  2. Step 2: Convert to fraction form
    432,997.60/649,496.40 = 275,922.40/x
  3. Step 3: Cross multiply
    432,997.60x = 649,496.40 × 275,922.40
  4. Step 4: Simplify right side
    432,997.60x = 179,210,605,479.36
  5. Step 5: Solve for x
    x = 179,210,605,479.36/432,997.60
  6. Step 6: Final answer
    x = 413,883.60

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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.