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Finding the Fourth Proportional to 244,657.20, 366,985.80 and 213,553.20

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Solution

The fourth proportional to 244,657.20, 366,985.80 and 213,553.20 is: 320,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,657.20 : 366,985.80 = 213,553.20 : x
  2. Step 2: Convert to fraction form
    244,657.20/366,985.80 = 213,553.20/x
  3. Step 3: Cross multiply
    244,657.20x = 366,985.80 × 213,553.20
  4. Step 4: Simplify right side
    244,657.20x = 78,370,991,944.56
  5. Step 5: Solve for x
    x = 78,370,991,944.56/244,657.20
  6. Step 6: Final answer
    x = 320,329.80

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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.