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Finding the Fourth Proportional to 671,542.84, 926,729.94 and 369,736.84

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Solution

The fourth proportional to 671,542.84, 926,729.94 and 369,736.84 is: 510,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,542.84 : 926,729.94 = 369,736.84 : x
  2. Step 2: Convert to fraction form
    671,542.84/926,729.94 = 369,736.84/x
  3. Step 3: Cross multiply
    671,542.84x = 926,729.94 × 369,736.84
  4. Step 4: Simplify right side
    671,542.84x = 342,646,199,548.99
  5. Step 5: Solve for x
    x = 342,646,199,548.99/671,542.84
  6. Step 6: Final answer
    x = 510,237.29

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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.