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Finding the Fourth Proportional to 531,398.89, 797,288.46 and 227,665.48

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Solution

The fourth proportional to 531,398.89, 797,288.46 and 227,665.48 is: 341,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,398.89 : 797,288.46 = 227,665.48 : x
  2. Step 2: Convert to fraction form
    531,398.89/797,288.46 = 227,665.48/x
  3. Step 3: Cross multiply
    531,398.89x = 797,288.46 × 227,665.48
  4. Step 4: Simplify right side
    531,398.89x = 181,515,059,944.36
  5. Step 5: Solve for x
    x = 181,515,059,944.36/531,398.89
  6. Step 6: Final answer
    x = 341,579.67

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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.