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Finding the Fourth Proportional to 348,957.72, 523,634.22 and 149,260.32

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Solution

The fourth proportional to 348,957.72, 523,634.22 and 149,260.32 is: 223,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,957.72 : 523,634.22 = 149,260.32 : x
  2. Step 2: Convert to fraction form
    348,957.72/523,634.22 = 149,260.32/x
  3. Step 3: Cross multiply
    348,957.72x = 523,634.22 × 149,260.32
  4. Step 4: Simplify right side
    348,957.72x = 78,157,811,240.15
  5. Step 5: Solve for x
    x = 78,157,811,240.15/348,957.72
  6. Step 6: Final answer
    x = 223,975.02

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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.