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Finding the Fourth Proportional to 634,925.43, 876,139.16 and 376,757.82

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Solution

The fourth proportional to 634,925.43, 876,139.16 and 376,757.82 is: 519,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,925.43 : 876,139.16 = 376,757.82 : x
  2. Step 2: Convert to fraction form
    634,925.43/876,139.16 = 376,757.82/x
  3. Step 3: Cross multiply
    634,925.43x = 876,139.16 × 376,757.82
  4. Step 4: Simplify right side
    634,925.43x = 330,092,278,054.44
  5. Step 5: Solve for x
    x = 330,092,278,054.44/634,925.43
  6. Step 6: Final answer
    x = 519,891.41

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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.