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Finding the Fourth Proportional to 2,863,312, 4,294,993.92 and 868,768

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Solution

The fourth proportional to 2,863,312, 4,294,993.92 and 868,768 is: 1,303,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,312 : 4,294,993.92 = 868,768 : x
  2. Step 2: Convert to fraction form
    2,863,312/4,294,993.92 = 868,768/x
  3. Step 3: Cross multiply
    2,863,312x = 4,294,993.92 × 868,768
  4. Step 4: Simplify right side
    2,863,312x = 3,731,353,277,890.56
  5. Step 5: Solve for x
    x = 3,731,353,277,890.56/2,863,312
  6. Step 6: Final answer
    x = 1,303,159.86

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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.