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Finding the Fourth Proportional to 283,695.50, 425,256.20 and 183,919.10

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Solution

The fourth proportional to 283,695.50, 425,256.20 and 183,919.10 is: 275,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,695.50 : 425,256.20 = 183,919.10 : x
  2. Step 2: Convert to fraction form
    283,695.50/425,256.20 = 183,919.10/x
  3. Step 3: Cross multiply
    283,695.50x = 425,256.20 × 183,919.10
  4. Step 4: Simplify right side
    283,695.50x = 78,212,734,527.54
  5. Step 5: Solve for x
    x = 78,212,734,527.54/283,695.50
  6. Step 6: Final answer
    x = 275,692.55

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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.