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Finding the Fourth Proportional to 382,760.16, 573,484.11 and 270,239.01

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Solution

The fourth proportional to 382,760.16, 573,484.11 and 270,239.01 is: 404,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,760.16 : 573,484.11 = 270,239.01 : x
  2. Step 2: Convert to fraction form
    382,760.16/573,484.11 = 270,239.01/x
  3. Step 3: Cross multiply
    382,760.16x = 573,484.11 × 270,239.01
  4. Step 4: Simplify right side
    382,760.16x = 154,977,778,137.13
  5. Step 5: Solve for x
    x = 154,977,778,137.13/382,760.16
  6. Step 6: Final answer
    x = 404,895.27

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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.