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Finding the Fourth Proportional to 5,265,544, 7,898,316 and 1,276,456

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Solution

The fourth proportional to 5,265,544, 7,898,316 and 1,276,456 is: 1,914,684

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,544 : 7,898,316 = 1,276,456 : x
  2. Step 2: Convert to fraction form
    5,265,544/7,898,316 = 1,276,456/x
  3. Step 3: Cross multiply
    5,265,544x = 7,898,316 × 1,276,456
  4. Step 4: Simplify right side
    5,265,544x = 10,081,852,848,096
  5. Step 5: Solve for x
    x = 10,081,852,848,096/5,265,544
  6. Step 6: Final answer
    x = 1,914,684

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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.