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Finding the Fourth Proportional to 1,983,941.04, 2,976,294.60 and 846,686.64

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Solution

The fourth proportional to 1,983,941.04, 2,976,294.60 and 846,686.64 is: 1,270,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,941.04 : 2,976,294.60 = 846,686.64 : x
  2. Step 2: Convert to fraction form
    1,983,941.04/2,976,294.60 = 846,686.64/x
  3. Step 3: Cross multiply
    1,983,941.04x = 2,976,294.60 × 846,686.64
  4. Step 4: Simplify right side
    1,983,941.04x = 2,519,988,874,524.14
  5. Step 5: Solve for x
    x = 2,519,988,874,524.14/1,983,941.04
  6. Step 6: Final answer
    x = 1,270,193.43

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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.