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Finding the Fourth Proportional to 605,162.40, 907,743.60 and 589,610.40

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Solution

The fourth proportional to 605,162.40, 907,743.60 and 589,610.40 is: 884,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,162.40 : 907,743.60 = 589,610.40 : x
  2. Step 2: Convert to fraction form
    605,162.40/907,743.60 = 589,610.40/x
  3. Step 3: Cross multiply
    605,162.40x = 907,743.60 × 589,610.40
  4. Step 4: Simplify right side
    605,162.40x = 535,215,067,093.44
  5. Step 5: Solve for x
    x = 535,215,067,093.44/605,162.40
  6. Step 6: Final answer
    x = 884,415.60

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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.