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Finding the Fourth Proportional to 1,767.37, 2,650.78 and 468.94

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Solution

The fourth proportional to 1,767.37, 2,650.78 and 468.94 is: 703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.37 : 2,650.78 = 468.94 : x
  2. Step 2: Convert to fraction form
    1,767.37/2,650.78 = 468.94/x
  3. Step 3: Cross multiply
    1,767.37x = 2,650.78 × 468.94
  4. Step 4: Simplify right side
    1,767.37x = 1,243,056.77
  5. Step 5: Solve for x
    x = 1,243,056.77/1,767.37
  6. Step 6: Final answer
    x = 703.34

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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.