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Finding the Fourth Proportional to 1,463.99, 2,196.32 and 423.95

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Solution

The fourth proportional to 1,463.99, 2,196.32 and 423.95 is: 636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.99 : 2,196.32 = 423.95 : x
  2. Step 2: Convert to fraction form
    1,463.99/2,196.32 = 423.95/x
  3. Step 3: Cross multiply
    1,463.99x = 2,196.32 × 423.95
  4. Step 4: Simplify right side
    1,463.99x = 931,116.76
  5. Step 5: Solve for x
    x = 931,116.76/1,463.99
  6. Step 6: Final answer
    x = 636.02

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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.