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Finding the Fourth Proportional to 1,047.11, 1,445.00 and 604.98

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Solution

The fourth proportional to 1,047.11, 1,445.00 and 604.98 is: 834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.11 : 1,445.00 = 604.98 : x
  2. Step 2: Convert to fraction form
    1,047.11/1,445.00 = 604.98/x
  3. Step 3: Cross multiply
    1,047.11x = 1,445.00 × 604.98
  4. Step 4: Simplify right side
    1,047.11x = 874,193.08
  5. Step 5: Solve for x
    x = 874,193.08/1,047.11
  6. Step 6: Final answer
    x = 834.87

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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.