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Finding the Fourth Proportional to 283,554.20, 425,964.90 and 236,898.20

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Solution

The fourth proportional to 283,554.20, 425,964.90 and 236,898.20 is: 355,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554.20 : 425,964.90 = 236,898.20 : x
  2. Step 2: Convert to fraction form
    283,554.20/425,964.90 = 236,898.20/x
  3. Step 3: Cross multiply
    283,554.20x = 425,964.90 × 236,898.20
  4. Step 4: Simplify right side
    283,554.20x = 100,910,318,073.18
  5. Step 5: Solve for x
    x = 100,910,318,073.18/283,554.20
  6. Step 6: Final answer
    x = 355,876.65

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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.