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Finding the Fourth Proportional to 3,369,947.10, 5,054,920.65 and 973,869.90

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Solution

The fourth proportional to 3,369,947.10, 5,054,920.65 and 973,869.90 is: 1,460,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369,947.10 : 5,054,920.65 = 973,869.90 : x
  2. Step 2: Convert to fraction form
    3,369,947.10/5,054,920.65 = 973,869.90/x
  3. Step 3: Cross multiply
    3,369,947.10x = 5,054,920.65 × 973,869.90
  4. Step 4: Simplify right side
    3,369,947.10x = 4,922,835,067,923.44
  5. Step 5: Solve for x
    x = 4,922,835,067,923.44/3,369,947.10
  6. Step 6: Final answer
    x = 1,460,804.85

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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.