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Finding the Fourth Proportional to 396,307.37, 594,111.14 and 303,228.65

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Solution

The fourth proportional to 396,307.37, 594,111.14 and 303,228.65 is: 454,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,307.37 : 594,111.14 = 303,228.65 : x
  2. Step 2: Convert to fraction form
    396,307.37/594,111.14 = 303,228.65/x
  3. Step 3: Cross multiply
    396,307.37x = 594,111.14 × 303,228.65
  4. Step 4: Simplify right side
    396,307.37x = 180,151,518,932.16
  5. Step 5: Solve for x
    x = 180,151,518,932.16/396,307.37
  6. Step 6: Final answer
    x = 454,575.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.