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Finding the Fourth Proportional to 427,370.66, 589,731.86 and 236,379.96

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Solution

The fourth proportional to 427,370.66, 589,731.86 and 236,379.96 is: 326,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,370.66 : 589,731.86 = 236,379.96 : x
  2. Step 2: Convert to fraction form
    427,370.66/589,731.86 = 236,379.96/x
  3. Step 3: Cross multiply
    427,370.66x = 589,731.86 × 236,379.96
  4. Step 4: Simplify right side
    427,370.66x = 139,400,793,477.53
  5. Step 5: Solve for x
    x = 139,400,793,477.53/427,370.66
  6. Step 6: Final answer
    x = 326,182.41

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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.