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Finding the Fourth Proportional to 421,567.20, 632,350.80 and 244,529.55

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Solution

The fourth proportional to 421,567.20, 632,350.80 and 244,529.55 is: 366,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,567.20 : 632,350.80 = 244,529.55 : x
  2. Step 2: Convert to fraction form
    421,567.20/632,350.80 = 244,529.55/x
  3. Step 3: Cross multiply
    421,567.20x = 632,350.80 × 244,529.55
  4. Step 4: Simplify right side
    421,567.20x = 154,628,456,566.14
  5. Step 5: Solve for x
    x = 154,628,456,566.14/421,567.20
  6. Step 6: Final answer
    x = 366,794.33

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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.