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Finding the Fourth Proportional to 272,001.20, 407,224.20 and 244,007.60

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Solution

The fourth proportional to 272,001.20, 407,224.20 and 244,007.60 is: 365,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,001.20 : 407,224.20 = 244,007.60 : x
  2. Step 2: Convert to fraction form
    272,001.20/407,224.20 = 244,007.60/x
  3. Step 3: Cross multiply
    272,001.20x = 407,224.20 × 244,007.60
  4. Step 4: Simplify right side
    272,001.20x = 99,365,799,703.92
  5. Step 5: Solve for x
    x = 99,365,799,703.92/272,001.20
  6. Step 6: Final answer
    x = 365,313.83

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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.