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Finding the Fourth Proportional to 533,776.12, 800,935.72 and 234,179

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Solution

The fourth proportional to 533,776.12, 800,935.72 and 234,179 is: 351,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,776.12 : 800,935.72 = 234,179 : x
  2. Step 2: Convert to fraction form
    533,776.12/800,935.72 = 234,179/x
  3. Step 3: Cross multiply
    533,776.12x = 800,935.72 × 234,179
  4. Step 4: Simplify right side
    533,776.12x = 187,562,325,973.88
  5. Step 5: Solve for x
    x = 187,562,325,973.88/533,776.12
  6. Step 6: Final answer
    x = 351,387.63

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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.