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Finding the Fourth Proportional to 432,794.80, 648,673.80 and 222,324.40

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Solution

The fourth proportional to 432,794.80, 648,673.80 and 222,324.40 is: 333,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,794.80 : 648,673.80 = 222,324.40 : x
  2. Step 2: Convert to fraction form
    432,794.80/648,673.80 = 222,324.40/x
  3. Step 3: Cross multiply
    432,794.80x = 648,673.80 × 222,324.40
  4. Step 4: Simplify right side
    432,794.80x = 144,216,013,380.72
  5. Step 5: Solve for x
    x = 144,216,013,380.72/432,794.80
  6. Step 6: Final answer
    x = 333,220.30

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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.