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Finding the Fourth Proportional to 336,298.20, 504,447.30 and 125,908.80

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Solution

The fourth proportional to 336,298.20, 504,447.30 and 125,908.80 is: 188,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,298.20 : 504,447.30 = 125,908.80 : x
  2. Step 2: Convert to fraction form
    336,298.20/504,447.30 = 125,908.80/x
  3. Step 3: Cross multiply
    336,298.20x = 504,447.30 × 125,908.80
  4. Step 4: Simplify right side
    336,298.20x = 63,514,354,206.24
  5. Step 5: Solve for x
    x = 63,514,354,206.24/336,298.20
  6. Step 6: Final answer
    x = 188,863.20

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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.