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Finding the Fourth Proportional to 495,472.11, 684,058.56 and 444,394.73

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Solution

The fourth proportional to 495,472.11, 684,058.56 and 444,394.73 is: 613,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,472.11 : 684,058.56 = 444,394.73 : x
  2. Step 2: Convert to fraction form
    495,472.11/684,058.56 = 444,394.73/x
  3. Step 3: Cross multiply
    495,472.11x = 684,058.56 × 444,394.73
  4. Step 4: Simplify right side
    495,472.11x = 303,992,015,655.10
  5. Step 5: Solve for x
    x = 303,992,015,655.10/495,472.11
  6. Step 6: Final answer
    x = 613,540.12

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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.