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Finding the Fourth Proportional to 1,774.89, 2,662.67 and 604.84

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Solution

The fourth proportional to 1,774.89, 2,662.67 and 604.84 is: 907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.89 : 2,662.67 = 604.84 : x
  2. Step 2: Convert to fraction form
    1,774.89/2,662.67 = 604.84/x
  3. Step 3: Cross multiply
    1,774.89x = 2,662.67 × 604.84
  4. Step 4: Simplify right side
    1,774.89x = 1,610,489.32
  5. Step 5: Solve for x
    x = 1,610,489.32/1,774.89
  6. Step 6: Final answer
    x = 907.38

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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.