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Finding the Fourth Proportional to 425,406.78, 637,508.61 and 235,950.62

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Solution

The fourth proportional to 425,406.78, 637,508.61 and 235,950.62 is: 353,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,406.78 : 637,508.61 = 235,950.62 : x
  2. Step 2: Convert to fraction form
    425,406.78/637,508.61 = 235,950.62/x
  3. Step 3: Cross multiply
    425,406.78x = 637,508.61 × 235,950.62
  4. Step 4: Simplify right side
    425,406.78x = 150,420,548,597.30
  5. Step 5: Solve for x
    x = 150,420,548,597.30/425,406.78
  6. Step 6: Final answer
    x = 353,592.27

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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.