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Finding the Fourth Proportional to 704.04, 971.58 and 424.26

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Solution

The fourth proportional to 704.04, 971.58 and 424.26 is: 585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.04 : 971.58 = 424.26 : x
  2. Step 2: Convert to fraction form
    704.04/971.58 = 424.26/x
  3. Step 3: Cross multiply
    704.04x = 971.58 × 424.26
  4. Step 4: Simplify right side
    704.04x = 412,202.53
  5. Step 5: Solve for x
    x = 412,202.53/704.04
  6. Step 6: Final answer
    x = 585.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.