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Finding the Fourth Proportional to 336,030.66, 504,256.98 and 136,351.88

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Solution

The fourth proportional to 336,030.66, 504,256.98 and 136,351.88 is: 204,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,030.66 : 504,256.98 = 136,351.88 : x
  2. Step 2: Convert to fraction form
    336,030.66/504,256.98 = 136,351.88/x
  3. Step 3: Cross multiply
    336,030.66x = 504,256.98 × 136,351.88
  4. Step 4: Simplify right side
    336,030.66x = 68,756,387,226.12
  5. Step 5: Solve for x
    x = 68,756,387,226.12/336,030.66
  6. Step 6: Final answer
    x = 204,613.43

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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.