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Finding the Fourth Proportional to 533,028.90, 798,506.55 and 322,040.10

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Solution

The fourth proportional to 533,028.90, 798,506.55 and 322,040.10 is: 482,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,028.90 : 798,506.55 = 322,040.10 : x
  2. Step 2: Convert to fraction form
    533,028.90/798,506.55 = 322,040.10/x
  3. Step 3: Cross multiply
    533,028.90x = 798,506.55 × 322,040.10
  4. Step 4: Simplify right side
    533,028.90x = 257,151,129,212.66
  5. Step 5: Solve for x
    x = 257,151,129,212.66/533,028.90
  6. Step 6: Final answer
    x = 482,433.75

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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.