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Finding the Fourth Proportional to 1,202.94, 1,804.24 and 740.48

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Solution

The fourth proportional to 1,202.94, 1,804.24 and 740.48 is: 1,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.94 : 1,804.24 = 740.48 : x
  2. Step 2: Convert to fraction form
    1,202.94/1,804.24 = 740.48/x
  3. Step 3: Cross multiply
    1,202.94x = 1,804.24 × 740.48
  4. Step 4: Simplify right side
    1,202.94x = 1,336,006.29
  5. Step 5: Solve for x
    x = 1,336,006.29/1,202.94
  6. Step 6: Final answer
    x = 1,110.62

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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.