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Finding the Fourth Proportional to 271,340.44, 407,254.60 and 145,088.60

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Solution

The fourth proportional to 271,340.44, 407,254.60 and 145,088.60 is: 217,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,340.44 : 407,254.60 = 145,088.60 : x
  2. Step 2: Convert to fraction form
    271,340.44/407,254.60 = 145,088.60/x
  3. Step 3: Cross multiply
    271,340.44x = 407,254.60 × 145,088.60
  4. Step 4: Simplify right side
    271,340.44x = 59,087,997,358.57
  5. Step 5: Solve for x
    x = 59,087,997,358.57/271,340.44
  6. Step 6: Final answer
    x = 217,763.33

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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.