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Finding the Fourth Proportional to 425,408.34, 587,076.08 and 234,434.10

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Solution

The fourth proportional to 425,408.34, 587,076.08 and 234,434.10 is: 323,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,408.34 : 587,076.08 = 234,434.10 : x
  2. Step 2: Convert to fraction form
    425,408.34/587,076.08 = 234,434.10/x
  3. Step 3: Cross multiply
    425,408.34x = 587,076.08 × 234,434.10
  4. Step 4: Simplify right side
    425,408.34x = 137,630,652,446.33
  5. Step 5: Solve for x
    x = 137,630,652,446.33/425,408.34
  6. Step 6: Final answer
    x = 323,525.99

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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.