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Finding the Fourth Proportional to 531,995.76, 797,091.48 and 321,190.92

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Solution

The fourth proportional to 531,995.76, 797,091.48 and 321,190.92 is: 481,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,995.76 : 797,091.48 = 321,190.92 : x
  2. Step 2: Convert to fraction form
    531,995.76/797,091.48 = 321,190.92/x
  3. Step 3: Cross multiply
    531,995.76x = 797,091.48 × 321,190.92
  4. Step 4: Simplify right side
    531,995.76x = 256,018,545,785.36
  5. Step 5: Solve for x
    x = 256,018,545,785.36/531,995.76
  6. Step 6: Final answer
    x = 481,241.70

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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.