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Finding the Fourth Proportional to 433,431.64, 598,180.68 and 249,676.56

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Solution

The fourth proportional to 433,431.64, 598,180.68 and 249,676.56 is: 344,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,431.64 : 598,180.68 = 249,676.56 : x
  2. Step 2: Convert to fraction form
    433,431.64/598,180.68 = 249,676.56/x
  3. Step 3: Cross multiply
    433,431.64x = 598,180.68 × 249,676.56
  4. Step 4: Simplify right side
    433,431.64x = 149,351,691,449.96
  5. Step 5: Solve for x
    x = 149,351,691,449.96/433,431.64
  6. Step 6: Final answer
    x = 344,579.58

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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.