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Finding the Fourth Proportional to 1,718.04, 2,576.60 and 622.12

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Solution

The fourth proportional to 1,718.04, 2,576.60 and 622.12 is: 933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.04 : 2,576.60 = 622.12 : x
  2. Step 2: Convert to fraction form
    1,718.04/2,576.60 = 622.12/x
  3. Step 3: Cross multiply
    1,718.04x = 2,576.60 × 622.12
  4. Step 4: Simplify right side
    1,718.04x = 1,602,954.39
  5. Step 5: Solve for x
    x = 1,602,954.39/1,718.04
  6. Step 6: Final answer
    x = 933.01

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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.