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Finding the Fourth Proportional to 382,446.02, 573,647.16 and 145,812.62

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Solution

The fourth proportional to 382,446.02, 573,647.16 and 145,812.62 is: 218,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,446.02 : 573,647.16 = 145,812.62 : x
  2. Step 2: Convert to fraction form
    382,446.02/573,647.16 = 145,812.62/x
  3. Step 3: Cross multiply
    382,446.02x = 573,647.16 × 145,812.62
  4. Step 4: Simplify right side
    382,446.02x = 83,644,995,355.16
  5. Step 5: Solve for x
    x = 83,644,995,355.16/382,446.02
  6. Step 6: Final answer
    x = 218,710.59

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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.