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Finding the Fourth Proportional to 671,410.50, 926,546.49 and 369,604.50

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Solution

The fourth proportional to 671,410.50, 926,546.49 and 369,604.50 is: 510,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,410.50 : 926,546.49 = 369,604.50 : x
  2. Step 2: Convert to fraction form
    671,410.50/926,546.49 = 369,604.50/x
  3. Step 3: Cross multiply
    671,410.50x = 926,546.49 × 369,604.50
  4. Step 4: Simplify right side
    671,410.50x = 342,455,752,163.21
  5. Step 5: Solve for x
    x = 342,455,752,163.21/671,410.50
  6. Step 6: Final answer
    x = 510,054.21

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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.