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Finding the Fourth Proportional to 1,143.22, 1,712.94 and 594.67

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Solution

The fourth proportional to 1,143.22, 1,712.94 and 594.67 is: 891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143.22 : 1,712.94 = 594.67 : x
  2. Step 2: Convert to fraction form
    1,143.22/1,712.94 = 594.67/x
  3. Step 3: Cross multiply
    1,143.22x = 1,712.94 × 594.67
  4. Step 4: Simplify right side
    1,143.22x = 1,018,634.03
  5. Step 5: Solve for x
    x = 1,018,634.03/1,143.22
  6. Step 6: Final answer
    x = 891.02

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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.