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Finding the Fourth Proportional to 673,622.02, 929,754.42 and 444,220.54

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Solution

The fourth proportional to 673,622.02, 929,754.42 and 444,220.54 is: 613,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,622.02 : 929,754.42 = 444,220.54 : x
  2. Step 2: Convert to fraction form
    673,622.02/929,754.42 = 444,220.54/x
  3. Step 3: Cross multiply
    673,622.02x = 929,754.42 × 444,220.54
  4. Step 4: Simplify right side
    673,622.02x = 413,016,010,519.79
  5. Step 5: Solve for x
    x = 413,016,010,519.79/673,622.02
  6. Step 6: Final answer
    x = 613,127.24

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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.