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Finding the Fourth Proportional to 1,731,874.50, 2,389,980.83 and 967,928.07

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Solution

The fourth proportional to 1,731,874.50, 2,389,980.83 and 967,928.07 is: 1,335,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,874.50 : 2,389,980.83 = 967,928.07 : x
  2. Step 2: Convert to fraction form
    1,731,874.50/2,389,980.83 = 967,928.07/x
  3. Step 3: Cross multiply
    1,731,874.50x = 2,389,980.83 × 967,928.07
  4. Step 4: Simplify right side
    1,731,874.50x = 2,313,329,532,118.90
  5. Step 5: Solve for x
    x = 2,313,329,532,118.90/1,731,874.50
  6. Step 6: Final answer
    x = 1,335,737.39

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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.