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Finding the Fourth Proportional to 336,456, 504,434.88 and 203,305.08

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Solution

The fourth proportional to 336,456, 504,434.88 and 203,305.08 is: 304,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,456 : 504,434.88 = 203,305.08 : x
  2. Step 2: Convert to fraction form
    336,456/504,434.88 = 203,305.08/x
  3. Step 3: Cross multiply
    336,456x = 504,434.88 × 203,305.08
  4. Step 4: Simplify right side
    336,456x = 102,554,173,633.19
  5. Step 5: Solve for x
    x = 102,554,173,633.19/336,456
  6. Step 6: Final answer
    x = 304,807.09

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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.