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Finding the Fourth Proportional to 558,292.50, 770,115.33 and 331,924.50

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Solution

The fourth proportional to 558,292.50, 770,115.33 and 331,924.50 is: 457,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,292.50 : 770,115.33 = 331,924.50 : x
  2. Step 2: Convert to fraction form
    558,292.50/770,115.33 = 331,924.50/x
  3. Step 3: Cross multiply
    558,292.50x = 770,115.33 × 331,924.50
  4. Step 4: Simplify right side
    558,292.50x = 255,620,145,852.59
  5. Step 5: Solve for x
    x = 255,620,145,852.59/558,292.50
  6. Step 6: Final answer
    x = 457,860.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.