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Finding the Fourth Proportional to 552,711.79, 829,020.05 and 336,514.49

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Solution

The fourth proportional to 552,711.79, 829,020.05 and 336,514.49 is: 504,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,711.79 : 829,020.05 = 336,514.49 : x
  2. Step 2: Convert to fraction form
    552,711.79/829,020.05 = 336,514.49/x
  3. Step 3: Cross multiply
    552,711.79x = 829,020.05 × 336,514.49
  4. Step 4: Simplify right side
    552,711.79x = 278,977,259,325.53
  5. Step 5: Solve for x
    x = 278,977,259,325.53/552,711.79
  6. Step 6: Final answer
    x = 504,742.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.