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Finding the Fourth Proportional to 2,763,138, 4,144,940.32 and 768,594

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Solution

The fourth proportional to 2,763,138, 4,144,940.32 and 768,594 is: 1,152,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,138 : 4,144,940.32 = 768,594 : x
  2. Step 2: Convert to fraction form
    2,763,138/4,144,940.32 = 768,594/x
  3. Step 3: Cross multiply
    2,763,138x = 4,144,940.32 × 768,594
  4. Step 4: Simplify right side
    2,763,138x = 3,185,776,260,310.08
  5. Step 5: Solve for x
    x = 3,185,776,260,310.08/2,763,138
  6. Step 6: Final answer
    x = 1,152,955.90

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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.