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Finding the Fourth Proportional to 432,473.80, 648,192.30 and 222,003.40

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Solution

The fourth proportional to 432,473.80, 648,192.30 and 222,003.40 is: 332,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,473.80 : 648,192.30 = 222,003.40 : x
  2. Step 2: Convert to fraction form
    432,473.80/648,192.30 = 222,003.40/x
  3. Step 3: Cross multiply
    432,473.80x = 648,192.30 × 222,003.40
  4. Step 4: Simplify right side
    432,473.80x = 143,900,894,453.82
  5. Step 5: Solve for x
    x = 143,900,894,453.82/432,473.80
  6. Step 6: Final answer
    x = 332,738.99

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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.