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Finding the Fourth Proportional to 598,894.80, 898,998.30 and 374,508.60

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Solution

The fourth proportional to 598,894.80, 898,998.30 and 374,508.60 is: 562,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,894.80 : 898,998.30 = 374,508.60 : x
  2. Step 2: Convert to fraction form
    598,894.80/898,998.30 = 374,508.60/x
  3. Step 3: Cross multiply
    598,894.80x = 898,998.30 × 374,508.60
  4. Step 4: Simplify right side
    598,894.80x = 336,682,594,735.38
  5. Step 5: Solve for x
    x = 336,682,594,735.38/598,894.80
  6. Step 6: Final answer
    x = 562,173.18

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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.