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Finding the Fourth Proportional to 425,554.85, 638,354.15 and 110,014.49

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Solution

The fourth proportional to 425,554.85, 638,354.15 and 110,014.49 is: 165,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,554.85 : 638,354.15 = 110,014.49 : x
  2. Step 2: Convert to fraction form
    425,554.85/638,354.15 = 110,014.49/x
  3. Step 3: Cross multiply
    425,554.85x = 638,354.15 × 110,014.49
  4. Step 4: Simplify right side
    425,554.85x = 70,228,202,509.79
  5. Step 5: Solve for x
    x = 70,228,202,509.79/425,554.85
  6. Step 6: Final answer
    x = 165,027.38

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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.