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Finding the Fourth Proportional to 536,692.52, 741,285.24 and 391,268

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Solution

The fourth proportional to 536,692.52, 741,285.24 and 391,268 is: 540,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,692.52 : 741,285.24 = 391,268 : x
  2. Step 2: Convert to fraction form
    536,692.52/741,285.24 = 391,268/x
  3. Step 3: Cross multiply
    536,692.52x = 741,285.24 × 391,268
  4. Step 4: Simplify right side
    536,692.52x = 290,041,193,284.32
  5. Step 5: Solve for x
    x = 290,041,193,284.32/536,692.52
  6. Step 6: Final answer
    x = 540,423.39

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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.