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Finding the Fourth Proportional to 1,203.96, 1,804.88 and 473.39

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Solution

The fourth proportional to 1,203.96, 1,804.88 and 473.39 is: 709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.96 : 1,804.88 = 473.39 : x
  2. Step 2: Convert to fraction form
    1,203.96/1,804.88 = 473.39/x
  3. Step 3: Cross multiply
    1,203.96x = 1,804.88 × 473.39
  4. Step 4: Simplify right side
    1,203.96x = 854,421.22
  5. Step 5: Solve for x
    x = 854,421.22/1,203.96
  6. Step 6: Final answer
    x = 709.67

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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.