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Finding the Fourth Proportional to 362,244.80, 543,367.20 and 212,556.80

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Solution

The fourth proportional to 362,244.80, 543,367.20 and 212,556.80 is: 318,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,244.80 : 543,367.20 = 212,556.80 : x
  2. Step 2: Convert to fraction form
    362,244.80/543,367.20 = 212,556.80/x
  3. Step 3: Cross multiply
    362,244.80x = 543,367.20 × 212,556.80
  4. Step 4: Simplify right side
    362,244.80x = 115,496,393,256.96
  5. Step 5: Solve for x
    x = 115,496,393,256.96/362,244.80
  6. Step 6: Final answer
    x = 318,835.20

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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.