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Finding the Fourth Proportional to 461,633.85, 637,342.59 and 298,375.68

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Solution

The fourth proportional to 461,633.85, 637,342.59 and 298,375.68 is: 411,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,633.85 : 637,342.59 = 298,375.68 : x
  2. Step 2: Convert to fraction form
    461,633.85/637,342.59 = 298,375.68/x
  3. Step 3: Cross multiply
    461,633.85x = 637,342.59 × 298,375.68
  4. Step 4: Simplify right side
    461,633.85x = 190,167,532,193.16
  5. Step 5: Solve for x
    x = 190,167,532,193.16/461,633.85
  6. Step 6: Final answer
    x = 411,944.51

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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.