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Finding the Fourth Proportional to 465.36, 697.68 and 294

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Solution

The fourth proportional to 465.36, 697.68 and 294 is: 440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.36 : 697.68 = 294 : x
  2. Step 2: Convert to fraction form
    465.36/697.68 = 294/x
  3. Step 3: Cross multiply
    465.36x = 697.68 × 294
  4. Step 4: Simplify right side
    465.36x = 205,117.92
  5. Step 5: Solve for x
    x = 205,117.92/465.36
  6. Step 6: Final answer
    x = 440.77

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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.