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Finding the Fourth Proportional to 452,754.09, 624,540.45 and 282,692.97

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Solution

The fourth proportional to 452,754.09, 624,540.45 and 282,692.97 is: 389,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,754.09 : 624,540.45 = 282,692.97 : x
  2. Step 2: Convert to fraction form
    452,754.09/624,540.45 = 282,692.97/x
  3. Step 3: Cross multiply
    452,754.09x = 624,540.45 × 282,692.97
  4. Step 4: Simplify right side
    452,754.09x = 176,553,194,695.64
  5. Step 5: Solve for x
    x = 176,553,194,695.64/452,754.09
  6. Step 6: Final answer
    x = 389,953.84

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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.