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Finding the Fourth Proportional to 949.95, 1,424.88 and 333.68

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Solution

The fourth proportional to 949.95, 1,424.88 and 333.68 is: 500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.95 : 1,424.88 = 333.68 : x
  2. Step 2: Convert to fraction form
    949.95/1,424.88 = 333.68/x
  3. Step 3: Cross multiply
    949.95x = 1,424.88 × 333.68
  4. Step 4: Simplify right side
    949.95x = 475,452.29
  5. Step 5: Solve for x
    x = 475,452.29/949.95
  6. Step 6: Final answer
    x = 500.51

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Double scale
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1.5x scale

Why These Related Problems?

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