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Finding the Fourth Proportional to 1,096.58, 1,641.43 and 608.06

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Solution

The fourth proportional to 1,096.58, 1,641.43 and 608.06 is: 910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.58 : 1,641.43 = 608.06 : x
  2. Step 2: Convert to fraction form
    1,096.58/1,641.43 = 608.06/x
  3. Step 3: Cross multiply
    1,096.58x = 1,641.43 × 608.06
  4. Step 4: Simplify right side
    1,096.58x = 998,087.93
  5. Step 5: Solve for x
    x = 998,087.93/1,096.58
  6. Step 6: Final answer
    x = 910.18

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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.