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Finding the Fourth Proportional to 1,573.08, 2,359.50 and 403.08

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Solution

The fourth proportional to 1,573.08, 2,359.50 and 403.08 is: 604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.08 : 2,359.50 = 403.08 : x
  2. Step 2: Convert to fraction form
    1,573.08/2,359.50 = 403.08/x
  3. Step 3: Cross multiply
    1,573.08x = 2,359.50 × 403.08
  4. Step 4: Simplify right side
    1,573.08x = 951,067.26
  5. Step 5: Solve for x
    x = 951,067.26/1,573.08
  6. Step 6: Final answer
    x = 604.59

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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.