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Finding the Fourth Proportional to 1,368.46, 2,052.74 and 444.02

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Solution

The fourth proportional to 1,368.46, 2,052.74 and 444.02 is: 666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.46 : 2,052.74 = 444.02 : x
  2. Step 2: Convert to fraction form
    1,368.46/2,052.74 = 444.02/x
  3. Step 3: Cross multiply
    1,368.46x = 2,052.74 × 444.02
  4. Step 4: Simplify right side
    1,368.46x = 911,448.46
  5. Step 5: Solve for x
    x = 911,448.46/1,368.46
  6. Step 6: Final answer
    x = 666.04

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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.