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Finding the Fourth Proportional to 957.96, 1,437.03 and 264.68

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Solution

The fourth proportional to 957.96, 1,437.03 and 264.68 is: 397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.96 : 1,437.03 = 264.68 : x
  2. Step 2: Convert to fraction form
    957.96/1,437.03 = 264.68/x
  3. Step 3: Cross multiply
    957.96x = 1,437.03 × 264.68
  4. Step 4: Simplify right side
    957.96x = 380,345.92
  5. Step 5: Solve for x
    x = 380,345.92/957.96
  6. Step 6: Final answer
    x = 397.04

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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.