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Finding the Fourth Proportional to 417,656.82, 626,344.83 and 151,361.58

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Solution

The fourth proportional to 417,656.82, 626,344.83 and 151,361.58 is: 226,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,656.82 : 626,344.83 = 151,361.58 : x
  2. Step 2: Convert to fraction form
    417,656.82/626,344.83 = 151,361.58/x
  3. Step 3: Cross multiply
    417,656.82x = 626,344.83 × 151,361.58
  4. Step 4: Simplify right side
    417,656.82x = 94,804,543,093.63
  5. Step 5: Solve for x
    x = 94,804,543,093.63/417,656.82
  6. Step 6: Final answer
    x = 226,991.49

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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.