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Finding the Fourth Proportional to 361,989.22, 499,590.84 and 237,915.04

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Solution

The fourth proportional to 361,989.22, 499,590.84 and 237,915.04 is: 328,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,989.22 : 499,590.84 = 237,915.04 : x
  2. Step 2: Convert to fraction form
    361,989.22/499,590.84 = 237,915.04/x
  3. Step 3: Cross multiply
    361,989.22x = 499,590.84 × 237,915.04
  4. Step 4: Simplify right side
    361,989.22x = 118,860,174,682.23
  5. Step 5: Solve for x
    x = 118,860,174,682.23/361,989.22
  6. Step 6: Final answer
    x = 328,352.80

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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.