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Finding the Fourth Proportional to 704.32, 1,056.22 and 242.01

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Solution

The fourth proportional to 704.32, 1,056.22 and 242.01 is: 362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.32 : 1,056.22 = 242.01 : x
  2. Step 2: Convert to fraction form
    704.32/1,056.22 = 242.01/x
  3. Step 3: Cross multiply
    704.32x = 1,056.22 × 242.01
  4. Step 4: Simplify right side
    704.32x = 255,615.80
  5. Step 5: Solve for x
    x = 255,615.80/704.32
  6. Step 6: Final answer
    x = 362.93

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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.