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Finding the Fourth Proportional to 635,869.57, 877,499.73 and 349,408.11

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Solution

The fourth proportional to 635,869.57, 877,499.73 and 349,408.11 is: 482,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,869.57 : 877,499.73 = 349,408.11 : x
  2. Step 2: Convert to fraction form
    635,869.57/877,499.73 = 349,408.11/x
  3. Step 3: Cross multiply
    635,869.57x = 877,499.73 × 349,408.11
  4. Step 4: Simplify right side
    635,869.57x = 306,605,518,071.53
  5. Step 5: Solve for x
    x = 306,605,518,071.53/635,869.57
  6. Step 6: Final answer
    x = 482,183.04

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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.