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Finding the Fourth Proportional to 574,889.89, 793,676.90 and 381,559.78

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Solution

The fourth proportional to 574,889.89, 793,676.90 and 381,559.78 is: 526,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,889.89 : 793,676.90 = 381,559.78 : x
  2. Step 2: Convert to fraction form
    574,889.89/793,676.90 = 381,559.78/x
  3. Step 3: Cross multiply
    574,889.89x = 793,676.90 × 381,559.78
  4. Step 4: Simplify right side
    574,889.89x = 302,835,183,355.08
  5. Step 5: Solve for x
    x = 302,835,183,355.08/574,889.89
  6. Step 6: Final answer
    x = 526,770.76

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1.5x scale

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.