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Finding the Fourth Proportional to 319,297.92, 440,589.60 and 183,337.80

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Solution

The fourth proportional to 319,297.92, 440,589.60 and 183,337.80 is: 252,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,297.92 : 440,589.60 = 183,337.80 : x
  2. Step 2: Convert to fraction form
    319,297.92/440,589.60 = 183,337.80/x
  3. Step 3: Cross multiply
    319,297.92x = 440,589.60 × 183,337.80
  4. Step 4: Simplify right side
    319,297.92x = 80,776,727,966.88
  5. Step 5: Solve for x
    x = 80,776,727,966.88/319,297.92
  6. Step 6: Final answer
    x = 252,982.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.