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Finding the Fourth Proportional to 593,621.28, 890,472.96 and 238,635.54

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Solution

The fourth proportional to 593,621.28, 890,472.96 and 238,635.54 is: 357,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,621.28 : 890,472.96 = 238,635.54 : x
  2. Step 2: Convert to fraction form
    593,621.28/890,472.96 = 238,635.54/x
  3. Step 3: Cross multiply
    593,621.28x = 890,472.96 × 238,635.54
  4. Step 4: Simplify right side
    593,621.28x = 212,498,495,665.00
  5. Step 5: Solve for x
    x = 212,498,495,665.00/593,621.28
  6. Step 6: Final answer
    x = 357,969.81

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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.