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Finding the Fourth Proportional to 704.25, 1,056.44 and 242.01

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Solution

The fourth proportional to 704.25, 1,056.44 and 242.01 is: 363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.25 : 1,056.44 = 242.01 : x
  2. Step 2: Convert to fraction form
    704.25/1,056.44 = 242.01/x
  3. Step 3: Cross multiply
    704.25x = 1,056.44 × 242.01
  4. Step 4: Simplify right side
    704.25x = 255,667.83
  5. Step 5: Solve for x
    x = 255,667.83/704.25
  6. Step 6: Final answer
    x = 363.04

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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.