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Finding the Fourth Proportional to 598,618.60, 898,052.70 and 199,383.40

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Solution

The fourth proportional to 598,618.60, 898,052.70 and 199,383.40 is: 299,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,618.60 : 898,052.70 = 199,383.40 : x
  2. Step 2: Convert to fraction form
    598,618.60/898,052.70 = 199,383.40/x
  3. Step 3: Cross multiply
    598,618.60x = 898,052.70 × 199,383.40
  4. Step 4: Simplify right side
    598,618.60x = 179,056,800,705.18
  5. Step 5: Solve for x
    x = 179,056,800,705.18/598,618.60
  6. Step 6: Final answer
    x = 299,116.67

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1.5x scale

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.