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Finding the Fourth Proportional to 465.93, 697.95 and 303.12

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Solution

The fourth proportional to 465.93, 697.95 and 303.12 is: 454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.93 : 697.95 = 303.12 : x
  2. Step 2: Convert to fraction form
    465.93/697.95 = 303.12/x
  3. Step 3: Cross multiply
    465.93x = 697.95 × 303.12
  4. Step 4: Simplify right side
    465.93x = 211,562.60
  5. Step 5: Solve for x
    x = 211,562.60/465.93
  6. Step 6: Final answer
    x = 454.07

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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.