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Finding the Fourth Proportional to 501,223.96, 751,660.88 and 201,626.83

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Solution

The fourth proportional to 501,223.96, 751,660.88 and 201,626.83 is: 302,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,223.96 : 751,660.88 = 201,626.83 : x
  2. Step 2: Convert to fraction form
    501,223.96/751,660.88 = 201,626.83/x
  3. Step 3: Cross multiply
    501,223.96x = 751,660.88 × 201,626.83
  4. Step 4: Simplify right side
    501,223.96x = 151,554,997,582.12
  5. Step 5: Solve for x
    x = 151,554,997,582.12/501,223.96
  6. Step 6: Final answer
    x = 302,369.82

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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.