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Finding the Fourth Proportional to 534,561.16, 737,694.39 and 319,701.24

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Solution

The fourth proportional to 534,561.16, 737,694.39 and 319,701.24 is: 441,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,561.16 : 737,694.39 = 319,701.24 : x
  2. Step 2: Convert to fraction form
    534,561.16/737,694.39 = 319,701.24/x
  3. Step 3: Cross multiply
    534,561.16x = 737,694.39 × 319,701.24
  4. Step 4: Simplify right side
    534,561.16x = 235,841,811,224.04
  5. Step 5: Solve for x
    x = 235,841,811,224.04/534,561.16
  6. Step 6: Final answer
    x = 441,187.70

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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.