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Finding the Fourth Proportional to 271,480.56, 407,255.28 and 103,059.60

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Solution

The fourth proportional to 271,480.56, 407,255.28 and 103,059.60 is: 154,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,480.56 : 407,255.28 = 103,059.60 : x
  2. Step 2: Convert to fraction form
    271,480.56/407,255.28 = 103,059.60/x
  3. Step 3: Cross multiply
    271,480.56x = 407,255.28 × 103,059.60
  4. Step 4: Simplify right side
    271,480.56x = 41,971,566,254.69
  5. Step 5: Solve for x
    x = 41,971,566,254.69/271,480.56
  6. Step 6: Final answer
    x = 154,602.47

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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.