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Finding the Fourth Proportional to 307.94, 460.84 and 295.18

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Solution

The fourth proportional to 307.94, 460.84 and 295.18 is: 441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.94 : 460.84 = 295.18 : x
  2. Step 2: Convert to fraction form
    307.94/460.84 = 295.18/x
  3. Step 3: Cross multiply
    307.94x = 460.84 × 295.18
  4. Step 4: Simplify right side
    307.94x = 136,030.75
  5. Step 5: Solve for x
    x = 136,030.75/307.94
  6. Step 6: Final answer
    x = 441.74

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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.