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Finding the Fourth Proportional to 363,608.40, 545,412.60 and 332,115.60

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Solution

The fourth proportional to 363,608.40, 545,412.60 and 332,115.60 is: 498,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,608.40 : 545,412.60 = 332,115.60 : x
  2. Step 2: Convert to fraction form
    363,608.40/545,412.60 = 332,115.60/x
  3. Step 3: Cross multiply
    363,608.40x = 545,412.60 × 332,115.60
  4. Step 4: Simplify right side
    363,608.40x = 181,140,032,896.56
  5. Step 5: Solve for x
    x = 181,140,032,896.56/363,608.40
  6. Step 6: Final answer
    x = 498,173.40

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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.