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Finding the Fourth Proportional to 272,609.60, 408,136.80 and 241,505.60

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Solution

The fourth proportional to 272,609.60, 408,136.80 and 241,505.60 is: 361,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,609.60 : 408,136.80 = 241,505.60 : x
  2. Step 2: Convert to fraction form
    272,609.60/408,136.80 = 241,505.60/x
  3. Step 3: Cross multiply
    272,609.60x = 408,136.80 × 241,505.60
  4. Step 4: Simplify right side
    272,609.60x = 98,567,322,766.08
  5. Step 5: Solve for x
    x = 98,567,322,766.08/272,609.60
  6. Step 6: Final answer
    x = 361,569.52

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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.