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Finding the Fourth Proportional to 1,029.74, 1,544.73 and 336.23

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Solution

The fourth proportional to 1,029.74, 1,544.73 and 336.23 is: 504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.74 : 1,544.73 = 336.23 : x
  2. Step 2: Convert to fraction form
    1,029.74/1,544.73 = 336.23/x
  3. Step 3: Cross multiply
    1,029.74x = 1,544.73 × 336.23
  4. Step 4: Simplify right side
    1,029.74x = 519,384.57
  5. Step 5: Solve for x
    x = 519,384.57/1,029.74
  6. Step 6: Final answer
    x = 504.38

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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.