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Finding the Fourth Proportional to 534,563.54, 737,697.64 and 319,703.60

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Solution

The fourth proportional to 534,563.54, 737,697.64 and 319,703.60 is: 441,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,563.54 : 737,697.64 = 319,703.60 : x
  2. Step 2: Convert to fraction form
    534,563.54/737,697.64 = 319,703.60/x
  3. Step 3: Cross multiply
    534,563.54x = 737,697.64 × 319,703.60
  4. Step 4: Simplify right side
    534,563.54x = 235,844,587,531.02
  5. Step 5: Solve for x
    x = 235,844,587,531.02/534,563.54
  6. Step 6: Final answer
    x = 441,190.94

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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.