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Finding the Fourth Proportional to 426,502.27, 587,871.39 and 302,364.49

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Solution

The fourth proportional to 426,502.27, 587,871.39 and 302,364.49 is: 416,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,502.27 : 587,871.39 = 302,364.49 : x
  2. Step 2: Convert to fraction form
    426,502.27/587,871.39 = 302,364.49/x
  3. Step 3: Cross multiply
    426,502.27x = 587,871.39 × 302,364.49
  4. Step 4: Simplify right side
    426,502.27x = 177,751,433,022.94
  5. Step 5: Solve for x
    x = 177,751,433,022.94/426,502.27
  6. Step 6: Final answer
    x = 416,765.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.