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Finding the Fourth Proportional to 994.94, 1,373.15 and 601.89

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Solution

The fourth proportional to 994.94, 1,373.15 and 601.89 is: 830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.94 : 1,373.15 = 601.89 : x
  2. Step 2: Convert to fraction form
    994.94/1,373.15 = 601.89/x
  3. Step 3: Cross multiply
    994.94x = 1,373.15 × 601.89
  4. Step 4: Simplify right side
    994.94x = 826,479.35
  5. Step 5: Solve for x
    x = 826,479.35/994.94
  6. Step 6: Final answer
    x = 830.68

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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.