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Finding the Fourth Proportional to 1,203.50, 1,804.42 and 473.16

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Solution

The fourth proportional to 1,203.50, 1,804.42 and 473.16 is: 709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.50 : 1,804.42 = 473.16 : x
  2. Step 2: Convert to fraction form
    1,203.50/1,804.42 = 473.16/x
  3. Step 3: Cross multiply
    1,203.50x = 1,804.42 × 473.16
  4. Step 4: Simplify right side
    1,203.50x = 853,779.37
  5. Step 5: Solve for x
    x = 853,779.37/1,203.50
  6. Step 6: Final answer
    x = 709.41

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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.