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Finding the Fourth Proportional to 262.95, 362.95 and 152.48

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Solution

The fourth proportional to 262.95, 362.95 and 152.48 is: 210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.95 : 362.95 = 152.48 : x
  2. Step 2: Convert to fraction form
    262.95/362.95 = 152.48/x
  3. Step 3: Cross multiply
    262.95x = 362.95 × 152.48
  4. Step 4: Simplify right side
    262.95x = 55,340.80
  5. Step 5: Solve for x
    x = 55,340.80/262.95
  6. Step 6: Final answer
    x = 210.46

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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.