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Finding the Fourth Proportional to 573,249.48, 791,078.52 and 318,595.56

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Solution

The fourth proportional to 573,249.48, 791,078.52 and 318,595.56 is: 439,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,249.48 : 791,078.52 = 318,595.56 : x
  2. Step 2: Convert to fraction form
    573,249.48/791,078.52 = 318,595.56/x
  3. Step 3: Cross multiply
    573,249.48x = 791,078.52 × 318,595.56
  4. Step 4: Simplify right side
    573,249.48x = 252,034,104,083.37
  5. Step 5: Solve for x
    x = 252,034,104,083.37/573,249.48
  6. Step 6: Final answer
    x = 439,658.67

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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.