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Finding the Fourth Proportional to 635,136.96, 876,466.32 and 359,488.91

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Solution

The fourth proportional to 635,136.96, 876,466.32 and 359,488.91 is: 496,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,136.96 : 876,466.32 = 359,488.91 : x
  2. Step 2: Convert to fraction form
    635,136.96/876,466.32 = 359,488.91/x
  3. Step 3: Cross multiply
    635,136.96x = 876,466.32 × 359,488.91
  4. Step 4: Simplify right side
    635,136.96x = 315,079,922,028.51
  5. Step 5: Solve for x
    x = 315,079,922,028.51/635,136.96
  6. Step 6: Final answer
    x = 496,081.86

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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.