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Finding the Fourth Proportional to 575,516.74, 794,183.96 and 317,438.60

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Solution

The fourth proportional to 575,516.74, 794,183.96 and 317,438.60 is: 438,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,516.74 : 794,183.96 = 317,438.60 : x
  2. Step 2: Convert to fraction form
    575,516.74/794,183.96 = 317,438.60/x
  3. Step 3: Cross multiply
    575,516.74x = 794,183.96 × 317,438.60
  4. Step 4: Simplify right side
    575,516.74x = 252,104,644,404.86
  5. Step 5: Solve for x
    x = 252,104,644,404.86/575,516.74
  6. Step 6: Final answer
    x = 438,049.19

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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.