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Finding the Fourth Proportional to 1,897,747.79, 2,846,676.06 and 744,946.38

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Solution

The fourth proportional to 1,897,747.79, 2,846,676.06 and 744,946.38 is: 1,117,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,747.79 : 2,846,676.06 = 744,946.38 : x
  2. Step 2: Convert to fraction form
    1,897,747.79/2,846,676.06 = 744,946.38/x
  3. Step 3: Cross multiply
    1,897,747.79x = 2,846,676.06 × 744,946.38
  4. Step 4: Simplify right side
    1,897,747.79x = 2,120,621,014,323.44
  5. Step 5: Solve for x
    x = 2,120,621,014,323.44/1,897,747.79
  6. Step 6: Final answer
    x = 1,117,440.91

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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.