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Finding the Fourth Proportional to 893,608, 1,233,179.04 and 511,761.12

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Solution

The fourth proportional to 893,608, 1,233,179.04 and 511,761.12 is: 706,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,608 : 1,233,179.04 = 511,761.12 : x
  2. Step 2: Convert to fraction form
    893,608/1,233,179.04 = 511,761.12/x
  3. Step 3: Cross multiply
    893,608x = 1,233,179.04 × 511,761.12
  4. Step 4: Simplify right side
    893,608x = 631,093,086,670.93
  5. Step 5: Solve for x
    x = 631,093,086,670.93/893,608
  6. Step 6: Final answer
    x = 706,230.35

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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.