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Finding the Fourth Proportional to 465.36, 697.80 and 294

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Solution

The fourth proportional to 465.36, 697.80 and 294 is: 440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.36 : 697.80 = 294 : x
  2. Step 2: Convert to fraction form
    465.36/697.80 = 294/x
  3. Step 3: Cross multiply
    465.36x = 697.80 × 294
  4. Step 4: Simplify right side
    465.36x = 205,153.20
  5. Step 5: Solve for x
    x = 205,153.20/465.36
  6. Step 6: Final answer
    x = 440.85

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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.