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Finding the Fourth Proportional to 336,486.87, 504,825.65 and 136,950.45

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Solution

The fourth proportional to 336,486.87, 504,825.65 and 136,950.45 is: 205,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,486.87 : 504,825.65 = 136,950.45 : x
  2. Step 2: Convert to fraction form
    336,486.87/504,825.65 = 136,950.45/x
  3. Step 3: Cross multiply
    336,486.87x = 504,825.65 × 136,950.45
  4. Step 4: Simplify right side
    336,486.87x = 69,136,099,254.29
  5. Step 5: Solve for x
    x = 69,136,099,254.29/336,486.87
  6. Step 6: Final answer
    x = 205,464.48

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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.