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Finding the Fourth Proportional to 468,558.86, 646,611.53 and 253,699.07

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Solution

The fourth proportional to 468,558.86, 646,611.53 and 253,699.07 is: 350,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,558.86 : 646,611.53 = 253,699.07 : x
  2. Step 2: Convert to fraction form
    468,558.86/646,611.53 = 253,699.07/x
  3. Step 3: Cross multiply
    468,558.86x = 646,611.53 × 253,699.07
  4. Step 4: Simplify right side
    468,558.86x = 164,044,739,310.72
  5. Step 5: Solve for x
    x = 164,044,739,310.72/468,558.86
  6. Step 6: Final answer
    x = 350,104.87

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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.