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Finding the Fourth Proportional to 618,079.56, 927,385.77 and 333,713.67

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Solution

The fourth proportional to 618,079.56, 927,385.77 and 333,713.67 is: 500,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,079.56 : 927,385.77 = 333,713.67 : x
  2. Step 2: Convert to fraction form
    618,079.56/927,385.77 = 333,713.67/x
  3. Step 3: Cross multiply
    618,079.56x = 927,385.77 × 333,713.67
  4. Step 4: Simplify right side
    618,079.56x = 309,481,308,812.48
  5. Step 5: Solve for x
    x = 309,481,308,812.48/618,079.56
  6. Step 6: Final answer
    x = 500,714.36

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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.