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Finding the Fourth Proportional to 338,552.52, 507,859.52 and 89,234.52

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Solution

The fourth proportional to 338,552.52, 507,859.52 and 89,234.52 is: 133,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,552.52 : 507,859.52 = 89,234.52 : x
  2. Step 2: Convert to fraction form
    338,552.52/507,859.52 = 89,234.52/x
  3. Step 3: Cross multiply
    338,552.52x = 507,859.52 × 89,234.52
  4. Step 4: Simplify right side
    338,552.52x = 45,318,600,494.63
  5. Step 5: Solve for x
    x = 45,318,600,494.63/338,552.52
  6. Step 6: Final answer
    x = 133,859.88

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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.