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Finding the Fourth Proportional to 1,295.54, 1,943.79 and 602.58

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Solution

The fourth proportional to 1,295.54, 1,943.79 and 602.58 is: 904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.54 : 1,943.79 = 602.58 : x
  2. Step 2: Convert to fraction form
    1,295.54/1,943.79 = 602.58/x
  3. Step 3: Cross multiply
    1,295.54x = 1,943.79 × 602.58
  4. Step 4: Simplify right side
    1,295.54x = 1,171,288.98
  5. Step 5: Solve for x
    x = 1,171,288.98/1,295.54
  6. Step 6: Final answer
    x = 904.09

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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.