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Finding the Fourth Proportional to 1,956,907.92, 2,936,289.54 and 945,462.96

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Solution

The fourth proportional to 1,956,907.92, 2,936,289.54 and 945,462.96 is: 1,418,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,907.92 : 2,936,289.54 = 945,462.96 : x
  2. Step 2: Convert to fraction form
    1,956,907.92/2,936,289.54 = 945,462.96/x
  3. Step 3: Cross multiply
    1,956,907.92x = 2,936,289.54 × 945,462.96
  4. Step 4: Simplify right side
    1,956,907.92x = 2,776,152,999,905.44
  5. Step 5: Solve for x
    x = 2,776,152,999,905.44/1,956,907.92
  6. Step 6: Final answer
    x = 1,418,642.63

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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.