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Finding the Fourth Proportional to 294.33, 441.55 and 99.32

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Solution

The fourth proportional to 294.33, 441.55 and 99.32 is: 148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.33 : 441.55 = 99.32 : x
  2. Step 2: Convert to fraction form
    294.33/441.55 = 99.32/x
  3. Step 3: Cross multiply
    294.33x = 441.55 × 99.32
  4. Step 4: Simplify right side
    294.33x = 43,852.54
  5. Step 5: Solve for x
    x = 43,852.54/294.33
  6. Step 6: Final answer
    x = 148.99

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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.