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Finding the Fourth Proportional to 2,358.73, 3,538.06 and 603.72

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Solution

The fourth proportional to 2,358.73, 3,538.06 and 603.72 is: 905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.73 : 3,538.06 = 603.72 : x
  2. Step 2: Convert to fraction form
    2,358.73/3,538.06 = 603.72/x
  3. Step 3: Cross multiply
    2,358.73x = 3,538.06 × 603.72
  4. Step 4: Simplify right side
    2,358.73x = 2,135,989.44
  5. Step 5: Solve for x
    x = 2,135,989.44/2,358.73
  6. Step 6: Final answer
    x = 905.57

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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.