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Finding the Fourth Proportional to 704.97, 1,056.93 and 242.46

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Solution

The fourth proportional to 704.97, 1,056.93 and 242.46 is: 363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.97 : 1,056.93 = 242.46 : x
  2. Step 2: Convert to fraction form
    704.97/1,056.93 = 242.46/x
  3. Step 3: Cross multiply
    704.97x = 1,056.93 × 242.46
  4. Step 4: Simplify right side
    704.97x = 256,263.25
  5. Step 5: Solve for x
    x = 256,263.25/704.97
  6. Step 6: Final answer
    x = 363.51

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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.