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Finding the Fourth Proportional to 417,997.44, 576,833.94 and 227,009.16

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Solution

The fourth proportional to 417,997.44, 576,833.94 and 227,009.16 is: 313,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,997.44 : 576,833.94 = 227,009.16 : x
  2. Step 2: Convert to fraction form
    417,997.44/576,833.94 = 227,009.16/x
  3. Step 3: Cross multiply
    417,997.44x = 576,833.94 × 227,009.16
  4. Step 4: Simplify right side
    417,997.44x = 130,946,588,178.89
  5. Step 5: Solve for x
    x = 130,946,588,178.89/417,997.44
  6. Step 6: Final answer
    x = 313,271.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.