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Finding the Fourth Proportional to 1,047.73, 1,445.93 and 599.73

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Solution

The fourth proportional to 1,047.73, 1,445.93 and 599.73 is: 827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.73 : 1,445.93 = 599.73 : x
  2. Step 2: Convert to fraction form
    1,047.73/1,445.93 = 599.73/x
  3. Step 3: Cross multiply
    1,047.73x = 1,445.93 × 599.73
  4. Step 4: Simplify right side
    1,047.73x = 867,167.60
  5. Step 5: Solve for x
    x = 867,167.60/1,047.73
  6. Step 6: Final answer
    x = 827.66

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Why These Related Problems?

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