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Finding the Fourth Proportional to 607.06, 837.52 and 397.36

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Solution

The fourth proportional to 607.06, 837.52 and 397.36 is: 548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.06 : 837.52 = 397.36 : x
  2. Step 2: Convert to fraction form
    607.06/837.52 = 397.36/x
  3. Step 3: Cross multiply
    607.06x = 837.52 × 397.36
  4. Step 4: Simplify right side
    607.06x = 332,792.76
  5. Step 5: Solve for x
    x = 332,792.76/607.06
  6. Step 6: Final answer
    x = 548.21

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