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Finding the Fourth Proportional to 2,404.39, 3,605.64 and 738

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Solution

The fourth proportional to 2,404.39, 3,605.64 and 738 is: 1,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.39 : 3,605.64 = 738 : x
  2. Step 2: Convert to fraction form
    2,404.39/3,605.64 = 738/x
  3. Step 3: Cross multiply
    2,404.39x = 3,605.64 × 738
  4. Step 4: Simplify right side
    2,404.39x = 2,660,962.32
  5. Step 5: Solve for x
    x = 2,660,962.32/2,404.39
  6. Step 6: Final answer
    x = 1,106.71

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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.