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Finding the Fourth Proportional to 467,891.94, 645,692.36 and 253,033.50

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Solution

The fourth proportional to 467,891.94, 645,692.36 and 253,033.50 is: 349,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,891.94 : 645,692.36 = 253,033.50 : x
  2. Step 2: Convert to fraction form
    467,891.94/645,692.36 = 253,033.50/x
  3. Step 3: Cross multiply
    467,891.94x = 645,692.36 × 253,033.50
  4. Step 4: Simplify right side
    467,891.94x = 163,381,797,774.06
  5. Step 5: Solve for x
    x = 163,381,797,774.06/467,891.94
  6. Step 6: Final answer
    x = 349,187.03

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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.