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Finding the Fourth Proportional to 543,751.53, 817,263.45 and 449,584.79

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Solution

The fourth proportional to 543,751.53, 817,263.45 and 449,584.79 is: 675,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,751.53 : 817,263.45 = 449,584.79 : x
  2. Step 2: Convert to fraction form
    543,751.53/817,263.45 = 449,584.79/x
  3. Step 3: Cross multiply
    543,751.53x = 817,263.45 × 449,584.79
  4. Step 4: Simplify right side
    543,751.53x = 367,429,212,456.61
  5. Step 5: Solve for x
    x = 367,429,212,456.61/543,751.53
  6. Step 6: Final answer
    x = 675,729.98

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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.