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Finding the Fourth Proportional to 2,616,838.83, 3,923,650.77 and 1,017,537.72

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Solution

The fourth proportional to 2,616,838.83, 3,923,650.77 and 1,017,537.72 is: 1,525,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,838.83 : 3,923,650.77 = 1,017,537.72 : x
  2. Step 2: Convert to fraction form
    2,616,838.83/3,923,650.77 = 1,017,537.72/x
  3. Step 3: Cross multiply
    2,616,838.83x = 3,923,650.77 × 1,017,537.72
  4. Step 4: Simplify right side
    2,616,838.83x = 3,992,462,658,582.04
  5. Step 5: Solve for x
    x = 3,992,462,658,582.04/2,616,838.83
  6. Step 6: Final answer
    x = 1,525,681.53

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Why These Related Problems?

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