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Finding the Fourth Proportional to 1,203,966.06, 1,806,249.77 and 849,672.06

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Solution

The fourth proportional to 1,203,966.06, 1,806,249.77 and 849,672.06 is: 1,274,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,966.06 : 1,806,249.77 = 849,672.06 : x
  2. Step 2: Convert to fraction form
    1,203,966.06/1,806,249.77 = 849,672.06/x
  3. Step 3: Cross multiply
    1,203,966.06x = 1,806,249.77 × 849,672.06
  4. Step 4: Simplify right side
    1,203,966.06x = 1,534,719,958,702.07
  5. Step 5: Solve for x
    x = 1,534,719,958,702.07/1,203,966.06
  6. Step 6: Final answer
    x = 1,274,720.28

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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.