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Finding the Fourth Proportional to 574,876.44, 793,354.02 and 320,227.80

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Solution

The fourth proportional to 574,876.44, 793,354.02 and 320,227.80 is: 441,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,876.44 : 793,354.02 = 320,227.80 : x
  2. Step 2: Convert to fraction form
    574,876.44/793,354.02 = 320,227.80/x
  3. Step 3: Cross multiply
    574,876.44x = 793,354.02 × 320,227.80
  4. Step 4: Simplify right side
    574,876.44x = 254,054,012,445.76
  5. Step 5: Solve for x
    x = 254,054,012,445.76/574,876.44
  6. Step 6: Final answer
    x = 441,928.03

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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.