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Finding the Fourth Proportional to 336,480.76, 504,816.47 and 136,944.35

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Solution

The fourth proportional to 336,480.76, 504,816.47 and 136,944.35 is: 205,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,480.76 : 504,816.47 = 136,944.35 : x
  2. Step 2: Convert to fraction form
    336,480.76/504,816.47 = 136,944.35/x
  3. Step 3: Cross multiply
    336,480.76x = 504,816.47 × 136,944.35
  4. Step 4: Simplify right side
    336,480.76x = 69,131,763,353.44
  5. Step 5: Solve for x
    x = 69,131,763,353.44/336,480.76
  6. Step 6: Final answer
    x = 205,455.32

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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.