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Finding the Fourth Proportional to 272,561.60, 408,064.80 and 241,457.60

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Solution

The fourth proportional to 272,561.60, 408,064.80 and 241,457.60 is: 361,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,561.60 : 408,064.80 = 241,457.60 : x
  2. Step 2: Convert to fraction form
    272,561.60/408,064.80 = 241,457.60/x
  3. Step 3: Cross multiply
    272,561.60x = 408,064.80 × 241,457.60
  4. Step 4: Simplify right side
    272,561.60x = 98,530,347,252.48
  5. Step 5: Solve for x
    x = 98,530,347,252.48/272,561.60
  6. Step 6: Final answer
    x = 361,497.54

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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.