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Finding the Fourth Proportional to 603,611.51, 832,983.66 and 331,696.94

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Solution

The fourth proportional to 603,611.51, 832,983.66 and 331,696.94 is: 457,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,611.51 : 832,983.66 = 331,696.94 : x
  2. Step 2: Convert to fraction form
    603,611.51/832,983.66 = 331,696.94/x
  3. Step 3: Cross multiply
    603,611.51x = 832,983.66 × 331,696.94
  4. Step 4: Simplify right side
    603,611.51x = 276,298,131,092.00
  5. Step 5: Solve for x
    x = 276,298,131,092.00/603,611.51
  6. Step 6: Final answer
    x = 457,741.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.