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Finding the Fourth Proportional to 603,987.35, 904,009.61 and 444,020.91

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Solution

The fourth proportional to 603,987.35, 904,009.61 and 444,020.91 is: 664,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,987.35 : 904,009.61 = 444,020.91 : x
  2. Step 2: Convert to fraction form
    603,987.35/904,009.61 = 444,020.91/x
  3. Step 3: Cross multiply
    603,987.35x = 904,009.61 × 444,020.91
  4. Step 4: Simplify right side
    603,987.35x = 401,399,162,940.79
  5. Step 5: Solve for x
    x = 401,399,162,940.79/603,987.35
  6. Step 6: Final answer
    x = 664,582.07

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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.