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Finding the Fourth Proportional to 1,253.91, 1,880.52 and 473.37

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Solution

The fourth proportional to 1,253.91, 1,880.52 and 473.37 is: 709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253.91 : 1,880.52 = 473.37 : x
  2. Step 2: Convert to fraction form
    1,253.91/1,880.52 = 473.37/x
  3. Step 3: Cross multiply
    1,253.91x = 1,880.52 × 473.37
  4. Step 4: Simplify right side
    1,253.91x = 890,181.75
  5. Step 5: Solve for x
    x = 890,181.75/1,253.91
  6. Step 6: Final answer
    x = 709.92

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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.