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Finding the Fourth Proportional to 251,585.52, 347,212.56 and 187,812.56

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Solution

The fourth proportional to 251,585.52, 347,212.56 and 187,812.56 is: 259,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,585.52 : 347,212.56 = 187,812.56 : x
  2. Step 2: Convert to fraction form
    251,585.52/347,212.56 = 187,812.56/x
  3. Step 3: Cross multiply
    251,585.52x = 347,212.56 × 187,812.56
  4. Step 4: Simplify right side
    251,585.52x = 65,210,879,757.75
  5. Step 5: Solve for x
    x = 65,210,879,757.75/251,585.52
  6. Step 6: Final answer
    x = 259,199.65

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1.5x scale

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.