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Finding the Fourth Proportional to 635,083.77, 876,016.94 and 376,777.85

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Solution

The fourth proportional to 635,083.77, 876,016.94 and 376,777.85 is: 519,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,083.77 : 876,016.94 = 376,777.85 : x
  2. Step 2: Convert to fraction form
    635,083.77/876,016.94 = 376,777.85/x
  3. Step 3: Cross multiply
    635,083.77x = 876,016.94 × 376,777.85
  4. Step 4: Simplify right side
    635,083.77x = 330,063,772,952.81
  5. Step 5: Solve for x
    x = 330,063,772,952.81/635,083.77
  6. Step 6: Final answer
    x = 519,716.91

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1.5x scale

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.