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Finding the Fourth Proportional to 1,562.78, 2,343.60 and 466.77

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Solution

The fourth proportional to 1,562.78, 2,343.60 and 466.77 is: 699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.78 : 2,343.60 = 466.77 : x
  2. Step 2: Convert to fraction form
    1,562.78/2,343.60 = 466.77/x
  3. Step 3: Cross multiply
    1,562.78x = 2,343.60 × 466.77
  4. Step 4: Simplify right side
    1,562.78x = 1,093,930.96
  5. Step 5: Solve for x
    x = 1,093,930.96/1,562.78
  6. Step 6: Final answer
    x = 699.99

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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.