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Finding the Fourth Proportional to 3,957,274.40, 5,935,911.60 and 965,458.40

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Solution

The fourth proportional to 3,957,274.40, 5,935,911.60 and 965,458.40 is: 1,448,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957,274.40 : 5,935,911.60 = 965,458.40 : x
  2. Step 2: Convert to fraction form
    3,957,274.40/5,935,911.60 = 965,458.40/x
  3. Step 3: Cross multiply
    3,957,274.40x = 5,935,911.60 × 965,458.40
  4. Step 4: Simplify right side
    3,957,274.40x = 5,730,875,715,877.44
  5. Step 5: Solve for x
    x = 5,730,875,715,877.44/3,957,274.40
  6. Step 6: Final answer
    x = 1,448,187.60

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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.