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Finding the Fourth Proportional to 293,402.17, 440,051.24 and 133,440.64

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Solution

The fourth proportional to 293,402.17, 440,051.24 and 133,440.64 is: 200,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,402.17 : 440,051.24 = 133,440.64 : x
  2. Step 2: Convert to fraction form
    293,402.17/440,051.24 = 133,440.64/x
  3. Step 3: Cross multiply
    293,402.17x = 440,051.24 × 133,440.64
  4. Step 4: Simplify right side
    293,402.17x = 58,720,718,912.73
  5. Step 5: Solve for x
    x = 58,720,718,912.73/293,402.17
  6. Step 6: Final answer
    x = 200,137.30

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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.