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Finding the Fourth Proportional to 593,912.80, 890,977.20 and 194,442.40

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Solution

The fourth proportional to 593,912.80, 890,977.20 and 194,442.40 is: 291,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,912.80 : 890,977.20 = 194,442.40 : x
  2. Step 2: Convert to fraction form
    593,912.80/890,977.20 = 194,442.40/x
  3. Step 3: Cross multiply
    593,912.80x = 890,977.20 × 194,442.40
  4. Step 4: Simplify right side
    593,912.80x = 173,243,745,113.28
  5. Step 5: Solve for x
    x = 173,243,745,113.28/593,912.80
  6. Step 6: Final answer
    x = 291,698.96

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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.