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Finding the Fourth Proportional to 580,427.56, 801,290.64 and 451,077.04

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Solution

The fourth proportional to 580,427.56, 801,290.64 and 451,077.04 is: 622,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,427.56 : 801,290.64 = 451,077.04 : x
  2. Step 2: Convert to fraction form
    580,427.56/801,290.64 = 451,077.04/x
  3. Step 3: Cross multiply
    580,427.56x = 801,290.64 × 451,077.04
  4. Step 4: Simplify right side
    580,427.56x = 361,443,810,070.91
  5. Step 5: Solve for x
    x = 361,443,810,070.91/580,427.56
  6. Step 6: Final answer
    x = 622,719.93

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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.