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Finding the Fourth Proportional to 1,194,849.45, 1,648,815.35 and 711,450.09

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Solution

The fourth proportional to 1,194,849.45, 1,648,815.35 and 711,450.09 is: 981,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,849.45 : 1,648,815.35 = 711,450.09 : x
  2. Step 2: Convert to fraction form
    1,194,849.45/1,648,815.35 = 711,450.09/x
  3. Step 3: Cross multiply
    1,194,849.45x = 1,648,815.35 × 711,450.09
  4. Step 4: Simplify right side
    1,194,849.45x = 1,173,049,825,593.63
  5. Step 5: Solve for x
    x = 1,173,049,825,593.63/1,194,849.45
  6. Step 6: Final answer
    x = 981,755.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.