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Finding the Fourth Proportional to 598,906.80, 898,360.20 and 492,618.60

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Solution

The fourth proportional to 598,906.80, 898,360.20 and 492,618.60 is: 738,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,906.80 : 898,360.20 = 492,618.60 : x
  2. Step 2: Convert to fraction form
    598,906.80/898,360.20 = 492,618.60/x
  3. Step 3: Cross multiply
    598,906.80x = 898,360.20 × 492,618.60
  4. Step 4: Simplify right side
    598,906.80x = 442,548,944,019.72
  5. Step 5: Solve for x
    x = 442,548,944,019.72/598,906.80
  6. Step 6: Final answer
    x = 738,927.90

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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.