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Finding the Fourth Proportional to 306,508.54, 423,032.48 and 179,159.54

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Solution

The fourth proportional to 306,508.54, 423,032.48 and 179,159.54 is: 247,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,508.54 : 423,032.48 = 179,159.54 : x
  2. Step 2: Convert to fraction form
    306,508.54/423,032.48 = 179,159.54/x
  3. Step 3: Cross multiply
    306,508.54x = 423,032.48 × 179,159.54
  4. Step 4: Simplify right side
    306,508.54x = 75,790,304,521.86
  5. Step 5: Solve for x
    x = 75,790,304,521.86/306,508.54
  6. Step 6: Final answer
    x = 247,269.80

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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.