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Finding the Fourth Proportional to 944.99, 1,418.30 and 368.27

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Solution

The fourth proportional to 944.99, 1,418.30 and 368.27 is: 552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.99 : 1,418.30 = 368.27 : x
  2. Step 2: Convert to fraction form
    944.99/1,418.30 = 368.27/x
  3. Step 3: Cross multiply
    944.99x = 1,418.30 × 368.27
  4. Step 4: Simplify right side
    944.99x = 522,317.34
  5. Step 5: Solve for x
    x = 522,317.34/944.99
  6. Step 6: Final answer
    x = 552.72

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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.