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Finding the Fourth Proportional to 293,718.60, 440,723.70 and 116,231.40

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Solution

The fourth proportional to 293,718.60, 440,723.70 and 116,231.40 is: 174,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,718.60 : 440,723.70 = 116,231.40 : x
  2. Step 2: Convert to fraction form
    293,718.60/440,723.70 = 116,231.40/x
  3. Step 3: Cross multiply
    293,718.60x = 440,723.70 × 116,231.40
  4. Step 4: Simplify right side
    293,718.60x = 51,225,932,664.18
  5. Step 5: Solve for x
    x = 51,225,932,664.18/293,718.60
  6. Step 6: Final answer
    x = 174,404.80

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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.