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Finding the Fourth Proportional to 593,910.80, 890,974.20 and 194,440.40

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Solution

The fourth proportional to 593,910.80, 890,974.20 and 194,440.40 is: 291,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,910.80 : 890,974.20 = 194,440.40 : x
  2. Step 2: Convert to fraction form
    593,910.80/890,974.20 = 194,440.40/x
  3. Step 3: Cross multiply
    593,910.80x = 890,974.20 × 194,440.40
  4. Step 4: Simplify right side
    593,910.80x = 173,241,379,837.68
  5. Step 5: Solve for x
    x = 173,241,379,837.68/593,910.80
  6. Step 6: Final answer
    x = 291,695.96

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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.