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Finding the Fourth Proportional to 997,692.30, 1,496,538.45 and 682,764.30

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Solution

The fourth proportional to 997,692.30, 1,496,538.45 and 682,764.30 is: 1,024,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,692.30 : 1,496,538.45 = 682,764.30 : x
  2. Step 2: Convert to fraction form
    997,692.30/1,496,538.45 = 682,764.30/x
  3. Step 3: Cross multiply
    997,692.30x = 1,496,538.45 × 682,764.30
  4. Step 4: Simplify right side
    997,692.30x = 1,021,783,027,237.34
  5. Step 5: Solve for x
    x = 1,021,783,027,237.34/997,692.30
  6. Step 6: Final answer
    x = 1,024,146.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.