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Finding the Fourth Proportional to 543,184.77, 749,253.95 and 349,843.04

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Solution

The fourth proportional to 543,184.77, 749,253.95 and 349,843.04 is: 482,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,184.77 : 749,253.95 = 349,843.04 : x
  2. Step 2: Convert to fraction form
    543,184.77/749,253.95 = 349,843.04/x
  3. Step 3: Cross multiply
    543,184.77x = 749,253.95 × 349,843.04
  4. Step 4: Simplify right side
    543,184.77x = 262,121,274,104.52
  5. Step 5: Solve for x
    x = 262,121,274,104.52/543,184.77
  6. Step 6: Final answer
    x = 482,563.74

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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.