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Finding the Fourth Proportional to 2,164.76, 3,246.88 and 604.88

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Solution

The fourth proportional to 2,164.76, 3,246.88 and 604.88 is: 907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.76 : 3,246.88 = 604.88 : x
  2. Step 2: Convert to fraction form
    2,164.76/3,246.88 = 604.88/x
  3. Step 3: Cross multiply
    2,164.76x = 3,246.88 × 604.88
  4. Step 4: Simplify right side
    2,164.76x = 1,963,972.77
  5. Step 5: Solve for x
    x = 1,963,972.77/2,164.76
  6. Step 6: Final answer
    x = 907.25

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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.