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Finding the Fourth Proportional to 1,568,815.92, 2,164,246.92 and 923,927.40

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Solution

The fourth proportional to 1,568,815.92, 2,164,246.92 and 923,927.40 is: 1,274,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,815.92 : 2,164,246.92 = 923,927.40 : x
  2. Step 2: Convert to fraction form
    1,568,815.92/2,164,246.92 = 923,927.40/x
  3. Step 3: Cross multiply
    1,568,815.92x = 2,164,246.92 × 923,927.40
  4. Step 4: Simplify right side
    1,568,815.92x = 1,999,607,029,753.61
  5. Step 5: Solve for x
    x = 1,999,607,029,753.61/1,568,815.92
  6. Step 6: Final answer
    x = 1,274,596.34

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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.