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Finding the Fourth Proportional to 590,556.20, 885,834.30 and 164,091.20

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Solution

The fourth proportional to 590,556.20, 885,834.30 and 164,091.20 is: 246,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,556.20 : 885,834.30 = 164,091.20 : x
  2. Step 2: Convert to fraction form
    590,556.20/885,834.30 = 164,091.20/x
  3. Step 3: Cross multiply
    590,556.20x = 885,834.30 × 164,091.20
  4. Step 4: Simplify right side
    590,556.20x = 145,357,613,288.16
  5. Step 5: Solve for x
    x = 145,357,613,288.16/590,556.20
  6. Step 6: Final answer
    x = 246,136.80

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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.