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Finding the Fourth Proportional to 552,712.79, 829,021.55 and 336,515.49

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Solution

The fourth proportional to 552,712.79, 829,021.55 and 336,515.49 is: 504,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,712.79 : 829,021.55 = 336,515.49 : x
  2. Step 2: Convert to fraction form
    552,712.79/829,021.55 = 336,515.49/x
  3. Step 3: Cross multiply
    552,712.79x = 829,021.55 × 336,515.49
  4. Step 4: Simplify right side
    552,712.79x = 278,978,593,118.81
  5. Step 5: Solve for x
    x = 278,978,593,118.81/552,712.79
  6. Step 6: Final answer
    x = 504,744.23

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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.