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Finding the Fourth Proportional to 345,434.69, 476,692.70 and 192,472.27

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Solution

The fourth proportional to 345,434.69, 476,692.70 and 192,472.27 is: 265,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,434.69 : 476,692.70 = 192,472.27 : x
  2. Step 2: Convert to fraction form
    345,434.69/476,692.70 = 192,472.27/x
  3. Step 3: Cross multiply
    345,434.69x = 476,692.70 × 192,472.27
  4. Step 4: Simplify right side
    345,434.69x = 91,750,123,907.34
  5. Step 5: Solve for x
    x = 91,750,123,907.34/345,434.69
  6. Step 6: Final answer
    x = 265,607.73

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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.