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Finding the Fourth Proportional to 580,939.16, 801,771.30 and 326,290.37

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Solution

The fourth proportional to 580,939.16, 801,771.30 and 326,290.37 is: 450,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,939.16 : 801,771.30 = 326,290.37 : x
  2. Step 2: Convert to fraction form
    580,939.16/801,771.30 = 326,290.37/x
  3. Step 3: Cross multiply
    580,939.16x = 801,771.30 × 326,290.37
  4. Step 4: Simplify right side
    580,939.16x = 261,610,250,123.53
  5. Step 5: Solve for x
    x = 261,610,250,123.53/580,939.16
  6. Step 6: Final answer
    x = 450,322.98

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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.