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Finding the Fourth Proportional to 574,770.96, 793,208.40 and 320,122.16

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Solution

The fourth proportional to 574,770.96, 793,208.40 and 320,122.16 is: 441,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,770.96 : 793,208.40 = 320,122.16 : x
  2. Step 2: Convert to fraction form
    574,770.96/793,208.40 = 320,122.16/x
  3. Step 3: Cross multiply
    574,770.96x = 793,208.40 × 320,122.16
  4. Step 4: Simplify right side
    574,770.96x = 253,923,586,338.14
  5. Step 5: Solve for x
    x = 253,923,586,338.14/574,770.96
  6. Step 6: Final answer
    x = 441,782.21

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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.