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Finding the Fourth Proportional to 440,379.92, 607,727.40 and 239,175.92

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Solution

The fourth proportional to 440,379.92, 607,727.40 and 239,175.92 is: 330,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,379.92 : 607,727.40 = 239,175.92 : x
  2. Step 2: Convert to fraction form
    440,379.92/607,727.40 = 239,175.92/x
  3. Step 3: Cross multiply
    440,379.92x = 607,727.40 × 239,175.92
  4. Step 4: Simplify right side
    440,379.92x = 145,353,760,004.21
  5. Step 5: Solve for x
    x = 145,353,760,004.21/440,379.92
  6. Step 6: Final answer
    x = 330,064.46

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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.