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Finding the Fourth Proportional to 326,182.70, 489,414.87 and 176,528.59

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Solution

The fourth proportional to 326,182.70, 489,414.87 and 176,528.59 is: 264,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,182.70 : 489,414.87 = 176,528.59 : x
  2. Step 2: Convert to fraction form
    326,182.70/489,414.87 = 176,528.59/x
  3. Step 3: Cross multiply
    326,182.70x = 489,414.87 × 176,528.59
  4. Step 4: Simplify right side
    326,182.70x = 86,395,715,702.60
  5. Step 5: Solve for x
    x = 86,395,715,702.60/326,182.70
  6. Step 6: Final answer
    x = 264,869.09

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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.