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Finding the Fourth Proportional to 598,193.57, 896,990.51 and 198,694.28

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Solution

The fourth proportional to 598,193.57, 896,990.51 and 198,694.28 is: 297,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,193.57 : 896,990.51 = 198,694.28 : x
  2. Step 2: Convert to fraction form
    598,193.57/896,990.51 = 198,694.28/x
  3. Step 3: Cross multiply
    598,193.57x = 896,990.51 × 198,694.28
  4. Step 4: Simplify right side
    598,193.57x = 178,226,883,551.28
  5. Step 5: Solve for x
    x = 178,226,883,551.28/598,193.57
  6. Step 6: Final answer
    x = 297,941.82

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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.