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Finding the Fourth Proportional to 465, 696.68 and 334.36

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Solution

The fourth proportional to 465, 696.68 and 334.36 is: 500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465 : 696.68 = 334.36 : x
  2. Step 2: Convert to fraction form
    465/696.68 = 334.36/x
  3. Step 3: Cross multiply
    465x = 696.68 × 334.36
  4. Step 4: Simplify right side
    465x = 232,941.92
  5. Step 5: Solve for x
    x = 232,941.92/465
  6. Step 6: Final answer
    x = 500.95

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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.