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Finding the Fourth Proportional to 1,293.97, 1,941.11 and 472.63

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Solution

The fourth proportional to 1,293.97, 1,941.11 and 472.63 is: 709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.97 : 1,941.11 = 472.63 : x
  2. Step 2: Convert to fraction form
    1,293.97/1,941.11 = 472.63/x
  3. Step 3: Cross multiply
    1,293.97x = 1,941.11 × 472.63
  4. Step 4: Simplify right side
    1,293.97x = 917,426.82
  5. Step 5: Solve for x
    x = 917,426.82/1,293.97
  6. Step 6: Final answer
    x = 709.00

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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.