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Finding the Fourth Proportional to 544,733.70, 817,100.55 and 145,375.89

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Solution

The fourth proportional to 544,733.70, 817,100.55 and 145,375.89 is: 218,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,733.70 : 817,100.55 = 145,375.89 : x
  2. Step 2: Convert to fraction form
    544,733.70/817,100.55 = 145,375.89/x
  3. Step 3: Cross multiply
    544,733.70x = 817,100.55 × 145,375.89
  4. Step 4: Simplify right side
    544,733.70x = 118,786,719,675.74
  5. Step 5: Solve for x
    x = 118,786,719,675.74/544,733.70
  6. Step 6: Final answer
    x = 218,063.84

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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.