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Finding the Fourth Proportional to 545,466.41, 818,328.41 and 171,489.41

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Solution

The fourth proportional to 545,466.41, 818,328.41 and 171,489.41 is: 257,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,466.41 : 818,328.41 = 171,489.41 : x
  2. Step 2: Convert to fraction form
    545,466.41/818,328.41 = 171,489.41/x
  3. Step 3: Cross multiply
    545,466.41x = 818,328.41 × 171,489.41
  4. Step 4: Simplify right side
    545,466.41x = 140,334,658,691.68
  5. Step 5: Solve for x
    x = 140,334,658,691.68/545,466.41
  6. Step 6: Final answer
    x = 257,274.61

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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.