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Finding the Fourth Proportional to 598,246.80, 897,807.60 and 398,500.80

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Solution

The fourth proportional to 598,246.80, 897,807.60 and 398,500.80 is: 598,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,246.80 : 897,807.60 = 398,500.80 : x
  2. Step 2: Convert to fraction form
    598,246.80/897,807.60 = 398,500.80/x
  3. Step 3: Cross multiply
    598,246.80x = 897,807.60 × 398,500.80
  4. Step 4: Simplify right side
    598,246.80x = 357,777,046,846.08
  5. Step 5: Solve for x
    x = 357,777,046,846.08/598,246.80
  6. Step 6: Final answer
    x = 598,042.56

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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.