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Finding the Fourth Proportional to 1,700,703.72, 2,346,942.96 and 936,828.36

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Solution

The fourth proportional to 1,700,703.72, 2,346,942.96 and 936,828.36 is: 1,292,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,703.72 : 2,346,942.96 = 936,828.36 : x
  2. Step 2: Convert to fraction form
    1,700,703.72/2,346,942.96 = 936,828.36/x
  3. Step 3: Cross multiply
    1,700,703.72x = 2,346,942.96 × 936,828.36
  4. Step 4: Simplify right side
    1,700,703.72x = 2,198,682,724,230.35
  5. Step 5: Solve for x
    x = 2,198,682,724,230.35/1,700,703.72
  6. Step 6: Final answer
    x = 1,292,807.62

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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.