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Finding the Fourth Proportional to 994.01, 1,371.53 and 595.69

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Solution

The fourth proportional to 994.01, 1,371.53 and 595.69 is: 821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.01 : 1,371.53 = 595.69 : x
  2. Step 2: Convert to fraction form
    994.01/1,371.53 = 595.69/x
  3. Step 3: Cross multiply
    994.01x = 1,371.53 × 595.69
  4. Step 4: Simplify right side
    994.01x = 817,004.77
  5. Step 5: Solve for x
    x = 817,004.77/994.01
  6. Step 6: Final answer
    x = 821.93

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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.