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Finding the Fourth Proportional to 1,594.73, 2,391.32 and 554.79

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Solution

The fourth proportional to 1,594.73, 2,391.32 and 554.79 is: 831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.73 : 2,391.32 = 554.79 : x
  2. Step 2: Convert to fraction form
    1,594.73/2,391.32 = 554.79/x
  3. Step 3: Cross multiply
    1,594.73x = 2,391.32 × 554.79
  4. Step 4: Simplify right side
    1,594.73x = 1,326,690.78
  5. Step 5: Solve for x
    x = 1,326,690.78/1,594.73
  6. Step 6: Final answer
    x = 831.92

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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.