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Finding the Fourth Proportional to 336,397, 504,595.50 and 136,825.96

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Solution

The fourth proportional to 336,397, 504,595.50 and 136,825.96 is: 205,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,397 : 504,595.50 = 136,825.96 : x
  2. Step 2: Convert to fraction form
    336,397/504,595.50 = 136,825.96/x
  3. Step 3: Cross multiply
    336,397x = 504,595.50 × 136,825.96
  4. Step 4: Simplify right side
    336,397x = 69,041,763,699.18
  5. Step 5: Solve for x
    x = 69,041,763,699.18/336,397
  6. Step 6: Final answer
    x = 205,238.94

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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.