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Finding the Fourth Proportional to 1,047.07, 1,444.89 and 604.95

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Solution

The fourth proportional to 1,047.07, 1,444.89 and 604.95 is: 834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.07 : 1,444.89 = 604.95 : x
  2. Step 2: Convert to fraction form
    1,047.07/1,444.89 = 604.95/x
  3. Step 3: Cross multiply
    1,047.07x = 1,444.89 × 604.95
  4. Step 4: Simplify right side
    1,047.07x = 874,086.21
  5. Step 5: Solve for x
    x = 874,086.21/1,047.07
  6. Step 6: Final answer
    x = 834.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.