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Finding the Fourth Proportional to 336,388.70, 504,483.99 and 125,977.43

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Solution

The fourth proportional to 336,388.70, 504,483.99 and 125,977.43 is: 188,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,388.70 : 504,483.99 = 125,977.43 : x
  2. Step 2: Convert to fraction form
    336,388.70/504,483.99 = 125,977.43/x
  3. Step 3: Cross multiply
    336,388.70x = 504,483.99 × 125,977.43
  4. Step 4: Simplify right side
    336,388.70x = 63,553,596,536.35
  5. Step 5: Solve for x
    x = 63,553,596,536.35/336,388.70
  6. Step 6: Final answer
    x = 188,929.05

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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.