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Finding the Fourth Proportional to 993,545, 1,371,092.26 and 540,839.40

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Solution

The fourth proportional to 993,545, 1,371,092.26 and 540,839.40 is: 746,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,545 : 1,371,092.26 = 540,839.40 : x
  2. Step 2: Convert to fraction form
    993,545/1,371,092.26 = 540,839.40/x
  3. Step 3: Cross multiply
    993,545x = 1,371,092.26 × 540,839.40
  4. Step 4: Simplify right side
    993,545x = 741,540,715,243.04
  5. Step 5: Solve for x
    x = 741,540,715,243.04/993,545
  6. Step 6: Final answer
    x = 746,358.46

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