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Finding the Fourth Proportional to 347,992.52, 480,263.38 and 195,056.69

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Solution

The fourth proportional to 347,992.52, 480,263.38 and 195,056.69 is: 269,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,992.52 : 480,263.38 = 195,056.69 : x
  2. Step 2: Convert to fraction form
    347,992.52/480,263.38 = 195,056.69/x
  3. Step 3: Cross multiply
    347,992.52x = 480,263.38 × 195,056.69
  4. Step 4: Simplify right side
    347,992.52x = 93,678,582,342.05
  5. Step 5: Solve for x
    x = 93,678,582,342.05/347,992.52
  6. Step 6: Final answer
    x = 269,197.12

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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.