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Finding the Fourth Proportional to 574,852.86, 793,321.44 and 320,203.98

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Solution

The fourth proportional to 574,852.86, 793,321.44 and 320,203.98 is: 441,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,852.86 : 793,321.44 = 320,203.98 : x
  2. Step 2: Convert to fraction form
    574,852.86/793,321.44 = 320,203.98/x
  3. Step 3: Cross multiply
    574,852.86x = 793,321.44 × 320,203.98
  4. Step 4: Simplify right side
    574,852.86x = 254,024,682,507.33
  5. Step 5: Solve for x
    x = 254,024,682,507.33/574,852.86
  6. Step 6: Final answer
    x = 441,895.14

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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.