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Finding the Fourth Proportional to 465.51, 698.60 and 344.10

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Solution

The fourth proportional to 465.51, 698.60 and 344.10 is: 516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.51 : 698.60 = 344.10 : x
  2. Step 2: Convert to fraction form
    465.51/698.60 = 344.10/x
  3. Step 3: Cross multiply
    465.51x = 698.60 × 344.10
  4. Step 4: Simplify right side
    465.51x = 240,386.54
  5. Step 5: Solve for x
    x = 240,386.54/465.51
  6. Step 6: Final answer
    x = 516.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.