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Finding the Fourth Proportional to 336,838.43, 504,818.89 and 136,925.30

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Solution

The fourth proportional to 336,838.43, 504,818.89 and 136,925.30 is: 205,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,838.43 : 504,818.89 = 136,925.30 : x
  2. Step 2: Convert to fraction form
    336,838.43/504,818.89 = 136,925.30/x
  3. Step 3: Cross multiply
    336,838.43x = 504,818.89 × 136,925.30
  4. Step 4: Simplify right side
    336,838.43x = 69,122,475,092.51
  5. Step 5: Solve for x
    x = 69,122,475,092.51/336,838.43
  6. Step 6: Final answer
    x = 205,209.59

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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.