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Finding the Fourth Proportional to 1,753, 2,629.50 and 598.75

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Solution

The fourth proportional to 1,753, 2,629.50 and 598.75 is: 898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753 : 2,629.50 = 598.75 : x
  2. Step 2: Convert to fraction form
    1,753/2,629.50 = 598.75/x
  3. Step 3: Cross multiply
    1,753x = 2,629.50 × 598.75
  4. Step 4: Simplify right side
    1,753x = 1,574,413.13
  5. Step 5: Solve for x
    x = 1,574,413.13/1,753
  6. Step 6: Final answer
    x = 898.13

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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.