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Finding the Fourth Proportional to 382,018.33, 572,239.99 and 223,767.01

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Solution

The fourth proportional to 382,018.33, 572,239.99 and 223,767.01 is: 335,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,018.33 : 572,239.99 = 223,767.01 : x
  2. Step 2: Convert to fraction form
    382,018.33/572,239.99 = 223,767.01/x
  3. Step 3: Cross multiply
    382,018.33x = 572,239.99 × 223,767.01
  4. Step 4: Simplify right side
    382,018.33x = 128,048,431,564.73
  5. Step 5: Solve for x
    x = 128,048,431,564.73/382,018.33
  6. Step 6: Final answer
    x = 335,189.23

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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.