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Finding the Fourth Proportional to 1,265,651.11, 1,746,603.15 and 684,874.24

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Solution

The fourth proportional to 1,265,651.11, 1,746,603.15 and 684,874.24 is: 945,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,651.11 : 1,746,603.15 = 684,874.24 : x
  2. Step 2: Convert to fraction form
    1,265,651.11/1,746,603.15 = 684,874.24/x
  3. Step 3: Cross multiply
    1,265,651.11x = 1,746,603.15 × 684,874.24
  4. Step 4: Simplify right side
    1,265,651.11x = 1,196,203,501,855.49
  5. Step 5: Solve for x
    x = 1,196,203,501,855.49/1,265,651.11
  6. Step 6: Final answer
    x = 945,128.95

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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.