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Finding the Fourth Proportional to 336,705.59, 504,253.90 and 186,573.51

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Solution

The fourth proportional to 336,705.59, 504,253.90 and 186,573.51 is: 279,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,705.59 : 504,253.90 = 186,573.51 : x
  2. Step 2: Convert to fraction form
    336,705.59/504,253.90 = 186,573.51/x
  3. Step 3: Cross multiply
    336,705.59x = 504,253.90 × 186,573.51
  4. Step 4: Simplify right side
    336,705.59x = 94,080,416,600.05
  5. Step 5: Solve for x
    x = 94,080,416,600.05/336,705.59
  6. Step 6: Final answer
    x = 279,414.48

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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.