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Finding the Fourth Proportional to 451,370.56, 622,876.08 and 260,379.04

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Solution

The fourth proportional to 451,370.56, 622,876.08 and 260,379.04 is: 359,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,370.56 : 622,876.08 = 260,379.04 : x
  2. Step 2: Convert to fraction form
    451,370.56/622,876.08 = 260,379.04/x
  3. Step 3: Cross multiply
    451,370.56x = 622,876.08 × 260,379.04
  4. Step 4: Simplify right side
    451,370.56x = 162,183,875,749.36
  5. Step 5: Solve for x
    x = 162,183,875,749.36/451,370.56
  6. Step 6: Final answer
    x = 359,314.25

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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.