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Finding the Fourth Proportional to 337,890.40, 506,835.60 and 326,080.60

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Solution

The fourth proportional to 337,890.40, 506,835.60 and 326,080.60 is: 489,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,890.40 : 506,835.60 = 326,080.60 : x
  2. Step 2: Convert to fraction form
    337,890.40/506,835.60 = 326,080.60/x
  3. Step 3: Cross multiply
    337,890.40x = 506,835.60 × 326,080.60
  4. Step 4: Simplify right side
    337,890.40x = 165,269,256,549.36
  5. Step 5: Solve for x
    x = 165,269,256,549.36/337,890.40
  6. Step 6: Final answer
    x = 489,120.90

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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.