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Finding the Fourth Proportional to 367,953.28, 507,976.58 and 222,783.86

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Solution

The fourth proportional to 367,953.28, 507,976.58 and 222,783.86 is: 307,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,953.28 : 507,976.58 = 222,783.86 : x
  2. Step 2: Convert to fraction form
    367,953.28/507,976.58 = 222,783.86/x
  3. Step 3: Cross multiply
    367,953.28x = 507,976.58 × 222,783.86
  4. Step 4: Simplify right side
    367,953.28x = 113,168,983,282.00
  5. Step 5: Solve for x
    x = 113,168,983,282.00/367,953.28
  6. Step 6: Final answer
    x = 307,563.46

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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.