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Finding the Fourth Proportional to 1,973,487.02, 2,961,411.49 and 851,556.02

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Solution

The fourth proportional to 1,973,487.02, 2,961,411.49 and 851,556.02 is: 1,277,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,487.02 : 2,961,411.49 = 851,556.02 : x
  2. Step 2: Convert to fraction form
    1,973,487.02/2,961,411.49 = 851,556.02/x
  3. Step 3: Cross multiply
    1,973,487.02x = 2,961,411.49 × 851,556.02
  4. Step 4: Simplify right side
    1,973,487.02x = 2,521,807,782,006.67
  5. Step 5: Solve for x
    x = 2,521,807,782,006.67/1,973,487.02
  6. Step 6: Final answer
    x = 1,277,843.61

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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.