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Finding the Fourth Proportional to 704.24, 1,056.60 and 362

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Solution

The fourth proportional to 704.24, 1,056.60 and 362 is: 543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.24 : 1,056.60 = 362 : x
  2. Step 2: Convert to fraction form
    704.24/1,056.60 = 362/x
  3. Step 3: Cross multiply
    704.24x = 1,056.60 × 362
  4. Step 4: Simplify right side
    704.24x = 382,489.20
  5. Step 5: Solve for x
    x = 382,489.20/704.24
  6. Step 6: Final answer
    x = 543.12

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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.