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Finding the Fourth Proportional to 1,738.16, 2,606.28 and 583.28

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Solution

The fourth proportional to 1,738.16, 2,606.28 and 583.28 is: 874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.16 : 2,606.28 = 583.28 : x
  2. Step 2: Convert to fraction form
    1,738.16/2,606.28 = 583.28/x
  3. Step 3: Cross multiply
    1,738.16x = 2,606.28 × 583.28
  4. Step 4: Simplify right side
    1,738.16x = 1,520,191.00
  5. Step 5: Solve for x
    x = 1,520,191.00/1,738.16
  6. Step 6: Final answer
    x = 874.60

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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.