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Finding the Fourth Proportional to 437,196.49, 603,290.23 and 322,538.96

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Solution

The fourth proportional to 437,196.49, 603,290.23 and 322,538.96 is: 445,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,196.49 : 603,290.23 = 322,538.96 : x
  2. Step 2: Convert to fraction form
    437,196.49/603,290.23 = 322,538.96/x
  3. Step 3: Cross multiply
    437,196.49x = 603,290.23 × 322,538.96
  4. Step 4: Simplify right side
    437,196.49x = 194,584,604,064.24
  5. Step 5: Solve for x
    x = 194,584,604,064.24/437,196.49
  6. Step 6: Final answer
    x = 445,073.58

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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.