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Finding the Fourth Proportional to 4,868,758.86, 7,303,802.85 and 2,028,206.58

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Solution

The fourth proportional to 4,868,758.86, 7,303,802.85 and 2,028,206.58 is: 3,042,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868,758.86 : 7,303,802.85 = 2,028,206.58 : x
  2. Step 2: Convert to fraction form
    4,868,758.86/7,303,802.85 = 2,028,206.58/x
  3. Step 3: Cross multiply
    4,868,758.86x = 7,303,802.85 × 2,028,206.58
  4. Step 4: Simplify right side
    4,868,758.86x = 14,813,620,999,392.75
  5. Step 5: Solve for x
    x = 14,813,620,999,392.75/4,868,758.86
  6. Step 6: Final answer
    x = 3,042,586.71

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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.