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Finding the Fourth Proportional to 272,032.40, 408,048.60 and 231,791.60

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Solution

The fourth proportional to 272,032.40, 408,048.60 and 231,791.60 is: 347,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,032.40 : 408,048.60 = 231,791.60 : x
  2. Step 2: Convert to fraction form
    272,032.40/408,048.60 = 231,791.60/x
  3. Step 3: Cross multiply
    272,032.40x = 408,048.60 × 231,791.60
  4. Step 4: Simplify right side
    272,032.40x = 94,582,237,871.76
  5. Step 5: Solve for x
    x = 94,582,237,871.76/272,032.40
  6. Step 6: Final answer
    x = 347,687.40

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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.