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Finding the Fourth Proportional to 1,436.64, 2,154.50 and 462.52

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Solution

The fourth proportional to 1,436.64, 2,154.50 and 462.52 is: 693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.64 : 2,154.50 = 462.52 : x
  2. Step 2: Convert to fraction form
    1,436.64/2,154.50 = 462.52/x
  3. Step 3: Cross multiply
    1,436.64x = 2,154.50 × 462.52
  4. Step 4: Simplify right side
    1,436.64x = 996,491.94
  5. Step 5: Solve for x
    x = 996,491.94/1,436.64
  6. Step 6: Final answer
    x = 693.63

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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.