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Finding the Fourth Proportional to 671,843.66, 927,144.27 and 370,037.66

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Solution

The fourth proportional to 671,843.66, 927,144.27 and 370,037.66 is: 510,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,843.66 : 927,144.27 = 370,037.66 : x
  2. Step 2: Convert to fraction form
    671,843.66/927,144.27 = 370,037.66/x
  3. Step 3: Cross multiply
    671,843.66x = 927,144.27 × 370,037.66
  4. Step 4: Simplify right side
    671,843.66x = 343,078,296,153.21
  5. Step 5: Solve for x
    x = 343,078,296,153.21/671,843.66
  6. Step 6: Final answer
    x = 510,651.98

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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.