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Finding the Fourth Proportional to 293,824.40, 440,736.60 and 127,936.40

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Solution

The fourth proportional to 293,824.40, 440,736.60 and 127,936.40 is: 191,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,824.40 : 440,736.60 = 127,936.40 : x
  2. Step 2: Convert to fraction form
    293,824.40/440,736.60 = 127,936.40/x
  3. Step 3: Cross multiply
    293,824.40x = 440,736.60 × 127,936.40
  4. Step 4: Simplify right side
    293,824.40x = 56,386,253,952.24
  5. Step 5: Solve for x
    x = 56,386,253,952.24/293,824.40
  6. Step 6: Final answer
    x = 191,904.60

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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.