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Finding the Fourth Proportional to 293,502.40, 439,087.20 and 254,492.80

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Solution

The fourth proportional to 293,502.40, 439,087.20 and 254,492.80 is: 380,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,502.40 : 439,087.20 = 254,492.80 : x
  2. Step 2: Convert to fraction form
    293,502.40/439,087.20 = 254,492.80/x
  3. Step 3: Cross multiply
    293,502.40x = 439,087.20 × 254,492.80
  4. Step 4: Simplify right side
    293,502.40x = 111,744,530,972.16
  5. Step 5: Solve for x
    x = 111,744,530,972.16/293,502.40
  6. Step 6: Final answer
    x = 380,727.83

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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.