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Finding the Fourth Proportional to 1,762.77, 2,644.17 and 464.25

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Solution

The fourth proportional to 1,762.77, 2,644.17 and 464.25 is: 696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.77 : 2,644.17 = 464.25 : x
  2. Step 2: Convert to fraction form
    1,762.77/2,644.17 = 464.25/x
  3. Step 3: Cross multiply
    1,762.77x = 2,644.17 × 464.25
  4. Step 4: Simplify right side
    1,762.77x = 1,227,555.92
  5. Step 5: Solve for x
    x = 1,227,555.92/1,762.77
  6. Step 6: Final answer
    x = 696.38

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1.5x scale

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.