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Finding the Fourth Proportional to 603,714.47, 904,076.98 and 443,410.25

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Solution

The fourth proportional to 603,714.47, 904,076.98 and 443,410.25 is: 664,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,714.47 : 904,076.98 = 443,410.25 : x
  2. Step 2: Convert to fraction form
    603,714.47/904,076.98 = 443,410.25/x
  3. Step 3: Cross multiply
    603,714.47x = 904,076.98 × 443,410.25
  4. Step 4: Simplify right side
    603,714.47x = 400,876,994,092.14
  5. Step 5: Solve for x
    x = 400,876,994,092.14/603,714.47
  6. Step 6: Final answer
    x = 664,017.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.