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Finding the Fourth Proportional to 1,347.93, 2,021.67 and 374.04

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Solution

The fourth proportional to 1,347.93, 2,021.67 and 374.04 is: 561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.93 : 2,021.67 = 374.04 : x
  2. Step 2: Convert to fraction form
    1,347.93/2,021.67 = 374.04/x
  3. Step 3: Cross multiply
    1,347.93x = 2,021.67 × 374.04
  4. Step 4: Simplify right side
    1,347.93x = 756,185.45
  5. Step 5: Solve for x
    x = 756,185.45/1,347.93
  6. Step 6: Final answer
    x = 561.00

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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.