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Finding the Fourth Proportional to 928,692.72, 1,393,660.44 and 337,716.72

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Solution

The fourth proportional to 928,692.72, 1,393,660.44 and 337,716.72 is: 506,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,692.72 : 1,393,660.44 = 337,716.72 : x
  2. Step 2: Convert to fraction form
    928,692.72/1,393,660.44 = 337,716.72/x
  3. Step 3: Cross multiply
    928,692.72x = 1,393,660.44 × 337,716.72
  4. Step 4: Simplify right side
    928,692.72x = 470,662,432,590.56
  5. Step 5: Solve for x
    x = 470,662,432,590.56/928,692.72
  6. Step 6: Final answer
    x = 506,801.04

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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.