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Finding the Fourth Proportional to 697.15, 962.08 and 417.41

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Solution

The fourth proportional to 697.15, 962.08 and 417.41 is: 576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.15 : 962.08 = 417.41 : x
  2. Step 2: Convert to fraction form
    697.15/962.08 = 417.41/x
  3. Step 3: Cross multiply
    697.15x = 962.08 × 417.41
  4. Step 4: Simplify right side
    697.15x = 401,581.81
  5. Step 5: Solve for x
    x = 401,581.81/697.15
  6. Step 6: Final answer
    x = 576.03

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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.