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Finding the Fourth Proportional to 574,851.86, 793,320.06 and 320,202.98

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Solution

The fourth proportional to 574,851.86, 793,320.06 and 320,202.98 is: 441,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,851.86 : 793,320.06 = 320,202.98 : x
  2. Step 2: Convert to fraction form
    574,851.86/793,320.06 = 320,202.98/x
  3. Step 3: Cross multiply
    574,851.86x = 793,320.06 × 320,202.98
  4. Step 4: Simplify right side
    574,851.86x = 254,023,447,305.78
  5. Step 5: Solve for x
    x = 254,023,447,305.78/574,851.86
  6. Step 6: Final answer
    x = 441,893.76

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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.