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Finding the Fourth Proportional to 671,745.42, 927,050.85 and 369,939.42

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Solution

The fourth proportional to 671,745.42, 927,050.85 and 369,939.42 is: 510,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,745.42 : 927,050.85 = 369,939.42 : x
  2. Step 2: Convert to fraction form
    671,745.42/927,050.85 = 369,939.42/x
  3. Step 3: Cross multiply
    671,745.42x = 927,050.85 × 369,939.42
  4. Step 4: Simplify right side
    671,745.42x = 342,952,653,759.51
  5. Step 5: Solve for x
    x = 342,952,653,759.51/671,745.42
  6. Step 6: Final answer
    x = 510,539.62

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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.