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Finding the Fourth Proportional to 1,147.41, 1,720.35 and 592.46

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Solution

The fourth proportional to 1,147.41, 1,720.35 and 592.46 is: 888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.41 : 1,720.35 = 592.46 : x
  2. Step 2: Convert to fraction form
    1,147.41/1,720.35 = 592.46/x
  3. Step 3: Cross multiply
    1,147.41x = 1,720.35 × 592.46
  4. Step 4: Simplify right side
    1,147.41x = 1,019,238.56
  5. Step 5: Solve for x
    x = 1,019,238.56/1,147.41
  6. Step 6: Final answer
    x = 888.29

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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.