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Finding the Fourth Proportional to 284,234.20, 425,532.10 and 173,642.20

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Solution

The fourth proportional to 284,234.20, 425,532.10 and 173,642.20 is: 259,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,234.20 : 425,532.10 = 173,642.20 : x
  2. Step 2: Convert to fraction form
    284,234.20/425,532.10 = 173,642.20/x
  3. Step 3: Cross multiply
    284,234.20x = 425,532.10 × 173,642.20
  4. Step 4: Simplify right side
    284,234.20x = 73,890,330,014.62
  5. Step 5: Solve for x
    x = 73,890,330,014.62/284,234.20
  6. Step 6: Final answer
    x = 259,962.84

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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.