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Finding the Fourth Proportional to 705,418.44, 972,814.32 and 544,017.84

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Solution

The fourth proportional to 705,418.44, 972,814.32 and 544,017.84 is: 750,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,418.44 : 972,814.32 = 544,017.84 : x
  2. Step 2: Convert to fraction form
    705,418.44/972,814.32 = 544,017.84/x
  3. Step 3: Cross multiply
    705,418.44x = 972,814.32 × 544,017.84
  4. Step 4: Simplify right side
    705,418.44x = 529,228,345,087.47
  5. Step 5: Solve for x
    x = 529,228,345,087.47/705,418.44
  6. Step 6: Final answer
    x = 750,233.22

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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.