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Finding the Fourth Proportional to 338,193.09, 507,049.32 and 169,591.77

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Solution

The fourth proportional to 338,193.09, 507,049.32 and 169,591.77 is: 254,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,193.09 : 507,049.32 = 169,591.77 : x
  2. Step 2: Convert to fraction form
    338,193.09/507,049.32 = 169,591.77/x
  3. Step 3: Cross multiply
    338,193.09x = 507,049.32 × 169,591.77
  4. Step 4: Simplify right side
    338,193.09x = 85,991,391,656.10
  5. Step 5: Solve for x
    x = 85,991,391,656.10/338,193.09
  6. Step 6: Final answer
    x = 254,267.15

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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.