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Finding the Fourth Proportional to 244,542.30, 366,813.45 and 213,438.30

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Solution

The fourth proportional to 244,542.30, 366,813.45 and 213,438.30 is: 320,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,542.30 : 366,813.45 = 213,438.30 : x
  2. Step 2: Convert to fraction form
    244,542.30/366,813.45 = 213,438.30/x
  3. Step 3: Cross multiply
    244,542.30x = 366,813.45 × 213,438.30
  4. Step 4: Simplify right side
    244,542.30x = 78,292,039,185.14
  5. Step 5: Solve for x
    x = 78,292,039,185.14/244,542.30
  6. Step 6: Final answer
    x = 320,157.45

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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.