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Finding the Fourth Proportional to 1,265,810.27, 1,746,823.73 and 685,033.48

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Solution

The fourth proportional to 1,265,810.27, 1,746,823.73 and 685,033.48 is: 945,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,810.27 : 1,746,823.73 = 685,033.48 : x
  2. Step 2: Convert to fraction form
    1,265,810.27/1,746,823.73 = 685,033.48/x
  3. Step 3: Cross multiply
    1,265,810.27x = 1,746,823.73 × 685,033.48
  4. Step 4: Simplify right side
    1,265,810.27x = 1,196,632,737,466.84
  5. Step 5: Solve for x
    x = 1,196,632,737,466.84/1,265,810.27
  6. Step 6: Final answer
    x = 945,349.21

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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.