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Finding the Fourth Proportional to 1,419,505, 1,958,915.01 and 910,206.16

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Solution

The fourth proportional to 1,419,505, 1,958,915.01 and 910,206.16 is: 1,256,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,505 : 1,958,915.01 = 910,206.16 : x
  2. Step 2: Convert to fraction form
    1,419,505/1,958,915.01 = 910,206.16/x
  3. Step 3: Cross multiply
    1,419,505x = 1,958,915.01 × 910,206.16
  4. Step 4: Simplify right side
    1,419,505x = 1,783,016,509,018.46
  5. Step 5: Solve for x
    x = 1,783,016,509,018.46/1,419,505
  6. Step 6: Final answer
    x = 1,256,083.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.