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Finding the Fourth Proportional to 938,714.34, 1,408,771.03 and 377,753.06

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Solution

The fourth proportional to 938,714.34, 1,408,771.03 and 377,753.06 is: 566,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,714.34 : 1,408,771.03 = 377,753.06 : x
  2. Step 2: Convert to fraction form
    938,714.34/1,408,771.03 = 377,753.06/x
  3. Step 3: Cross multiply
    938,714.34x = 1,408,771.03 × 377,753.06
  4. Step 4: Simplify right side
    938,714.34x = 532,167,567,421.85
  5. Step 5: Solve for x
    x = 532,167,567,421.85/938,714.34
  6. Step 6: Final answer
    x = 566,911.09

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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.