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Finding the Fourth Proportional to 703,695.63, 1,055,544.17 and 171,216.63

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Solution

The fourth proportional to 703,695.63, 1,055,544.17 and 171,216.63 is: 256,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,695.63 : 1,055,544.17 = 171,216.63 : x
  2. Step 2: Convert to fraction form
    703,695.63/1,055,544.17 = 171,216.63/x
  3. Step 3: Cross multiply
    703,695.63x = 1,055,544.17 × 171,216.63
  4. Step 4: Simplify right side
    703,695.63x = 180,726,714,747.46
  5. Step 5: Solve for x
    x = 180,726,714,747.46/703,695.63
  6. Step 6: Final answer
    x = 256,825.12

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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.