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Finding the Fourth Proportional to 1,146.82, 1,720.86 and 599.48

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Solution

The fourth proportional to 1,146.82, 1,720.86 and 599.48 is: 899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.82 : 1,720.86 = 599.48 : x
  2. Step 2: Convert to fraction form
    1,146.82/1,720.86 = 599.48/x
  3. Step 3: Cross multiply
    1,146.82x = 1,720.86 × 599.48
  4. Step 4: Simplify right side
    1,146.82x = 1,031,623.21
  5. Step 5: Solve for x
    x = 1,031,623.21/1,146.82
  6. Step 6: Final answer
    x = 899.55

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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.