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Finding the Fourth Proportional to 326,951.20, 490,815.60 and 184,909.60

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Solution

The fourth proportional to 326,951.20, 490,815.60 and 184,909.60 is: 277,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,951.20 : 490,815.60 = 184,909.60 : x
  2. Step 2: Convert to fraction form
    326,951.20/490,815.60 = 184,909.60/x
  3. Step 3: Cross multiply
    326,951.20x = 490,815.60 × 184,909.60
  4. Step 4: Simplify right side
    326,951.20x = 90,756,516,269.76
  5. Step 5: Solve for x
    x = 90,756,516,269.76/326,951.20
  6. Step 6: Final answer
    x = 277,584.29

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1.5x scale

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.