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Finding the Fourth Proportional to 1,583.01, 2,374.29 and 542.97

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Solution

The fourth proportional to 1,583.01, 2,374.29 and 542.97 is: 814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.01 : 2,374.29 = 542.97 : x
  2. Step 2: Convert to fraction form
    1,583.01/2,374.29 = 542.97/x
  3. Step 3: Cross multiply
    1,583.01x = 2,374.29 × 542.97
  4. Step 4: Simplify right side
    1,583.01x = 1,289,168.24
  5. Step 5: Solve for x
    x = 1,289,168.24/1,583.01
  6. Step 6: Final answer
    x = 814.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.