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Finding the Fourth Proportional to 598,898.56, 898,226.32 and 219,690.20

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Solution

The fourth proportional to 598,898.56, 898,226.32 and 219,690.20 is: 329,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,898.56 : 898,226.32 = 219,690.20 : x
  2. Step 2: Convert to fraction form
    598,898.56/898,226.32 = 219,690.20/x
  3. Step 3: Cross multiply
    598,898.56x = 898,226.32 × 219,690.20
  4. Step 4: Simplify right side
    598,898.56x = 197,331,519,886.06
  5. Step 5: Solve for x
    x = 197,331,519,886.06/598,898.56
  6. Step 6: Final answer
    x = 329,490.72

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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.