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Finding the Fourth Proportional to 654,146.45, 902,692.45 and 382,239.17

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Solution

The fourth proportional to 654,146.45, 902,692.45 and 382,239.17 is: 527,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,146.45 : 902,692.45 = 382,239.17 : x
  2. Step 2: Convert to fraction form
    654,146.45/902,692.45 = 382,239.17/x
  3. Step 3: Cross multiply
    654,146.45x = 902,692.45 × 382,239.17
  4. Step 4: Simplify right side
    654,146.45x = 345,044,412,853.27
  5. Step 5: Solve for x
    x = 345,044,412,853.27/654,146.45
  6. Step 6: Final answer
    x = 527,472.73

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1.5x scale

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.