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Finding the Fourth Proportional to 450,402.88, 621,546.32 and 246,452.96

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Solution

The fourth proportional to 450,402.88, 621,546.32 and 246,452.96 is: 340,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,402.88 : 621,546.32 = 246,452.96 : x
  2. Step 2: Convert to fraction form
    450,402.88/621,546.32 = 246,452.96/x
  3. Step 3: Cross multiply
    450,402.88x = 621,546.32 × 246,452.96
  4. Step 4: Simplify right side
    450,402.88x = 153,181,930,341.11
  5. Step 5: Solve for x
    x = 153,181,930,341.11/450,402.88
  6. Step 6: Final answer
    x = 340,099.80

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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.