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Finding the Fourth Proportional to 465.60, 652.80 and 465.60

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Solution

The fourth proportional to 465.60, 652.80 and 465.60 is: 652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.60 : 652.80 = 465.60 : x
  2. Step 2: Convert to fraction form
    465.60/652.80 = 465.60/x
  3. Step 3: Cross multiply
    465.60x = 652.80 × 465.60
  4. Step 4: Simplify right side
    465.60x = 303,943.68
  5. Step 5: Solve for x
    x = 303,943.68/465.60
  6. Step 6: Final answer
    x = 652.80

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.