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Finding the Fourth Proportional to 1,556.97, 2,336.34 and 583.76

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Solution

The fourth proportional to 1,556.97, 2,336.34 and 583.76 is: 875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.97 : 2,336.34 = 583.76 : x
  2. Step 2: Convert to fraction form
    1,556.97/2,336.34 = 583.76/x
  3. Step 3: Cross multiply
    1,556.97x = 2,336.34 × 583.76
  4. Step 4: Simplify right side
    1,556.97x = 1,363,850.16
  5. Step 5: Solve for x
    x = 1,363,850.16/1,556.97
  6. Step 6: Final answer
    x = 875.96

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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.