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Finding the Fourth Proportional to 957.03, 1,435.53 and 523.95

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Solution

The fourth proportional to 957.03, 1,435.53 and 523.95 is: 785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.03 : 1,435.53 = 523.95 : x
  2. Step 2: Convert to fraction form
    957.03/1,435.53 = 523.95/x
  3. Step 3: Cross multiply
    957.03x = 1,435.53 × 523.95
  4. Step 4: Simplify right side
    957.03x = 752,145.94
  5. Step 5: Solve for x
    x = 752,145.94/957.03
  6. Step 6: Final answer
    x = 785.92

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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.