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Finding the Fourth Proportional to 1,163.93, 1,746.90 and 616.46

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Solution

The fourth proportional to 1,163.93, 1,746.90 and 616.46 is: 925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.93 : 1,746.90 = 616.46 : x
  2. Step 2: Convert to fraction form
    1,163.93/1,746.90 = 616.46/x
  3. Step 3: Cross multiply
    1,163.93x = 1,746.90 × 616.46
  4. Step 4: Simplify right side
    1,163.93x = 1,076,893.97
  5. Step 5: Solve for x
    x = 1,076,893.97/1,163.93
  6. Step 6: Final answer
    x = 925.22

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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.