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Finding the Fourth Proportional to 1,194,485, 1,648,389.30 and 657,941

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Solution

The fourth proportional to 1,194,485, 1,648,389.30 and 657,941 is: 907,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,485 : 1,648,389.30 = 657,941 : x
  2. Step 2: Convert to fraction form
    1,194,485/1,648,389.30 = 657,941/x
  3. Step 3: Cross multiply
    1,194,485x = 1,648,389.30 × 657,941
  4. Step 4: Simplify right side
    1,194,485x = 1,084,542,904,431.30
  5. Step 5: Solve for x
    x = 1,084,542,904,431.30/1,194,485
  6. Step 6: Final answer
    x = 907,958.58

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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.