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Finding the Fourth Proportional to 293,783.16, 440,674.74 and 72,167.16

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Solution

The fourth proportional to 293,783.16, 440,674.74 and 72,167.16 is: 108,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,783.16 : 440,674.74 = 72,167.16 : x
  2. Step 2: Convert to fraction form
    293,783.16/440,674.74 = 72,167.16/x
  3. Step 3: Cross multiply
    293,783.16x = 440,674.74 × 72,167.16
  4. Step 4: Simplify right side
    293,783.16x = 31,802,244,469.54
  5. Step 5: Solve for x
    x = 31,802,244,469.54/293,783.16
  6. Step 6: Final answer
    x = 108,250.74

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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.