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Finding the Fourth Proportional to 957.84, 1,436.13 and 464.11

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Solution

The fourth proportional to 957.84, 1,436.13 and 464.11 is: 695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.84 : 1,436.13 = 464.11 : x
  2. Step 2: Convert to fraction form
    957.84/1,436.13 = 464.11/x
  3. Step 3: Cross multiply
    957.84x = 1,436.13 × 464.11
  4. Step 4: Simplify right side
    957.84x = 666,523.56
  5. Step 5: Solve for x
    x = 666,523.56/957.84
  6. Step 6: Final answer
    x = 695.86

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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.