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Finding the Fourth Proportional to 583,147.75, 804,752 and 325,017.56

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Solution

The fourth proportional to 583,147.75, 804,752 and 325,017.56 is: 448,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,147.75 : 804,752 = 325,017.56 : x
  2. Step 2: Convert to fraction form
    583,147.75/804,752 = 325,017.56/x
  3. Step 3: Cross multiply
    583,147.75x = 804,752 × 325,017.56
  4. Step 4: Simplify right side
    583,147.75x = 261,558,531,445.12
  5. Step 5: Solve for x
    x = 261,558,531,445.12/583,147.75
  6. Step 6: Final answer
    x = 448,528.75

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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.