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Finding the Fourth Proportional to 382,588.79, 573,956.98 and 214,299.14

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Solution

The fourth proportional to 382,588.79, 573,956.98 and 214,299.14 is: 321,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,588.79 : 573,956.98 = 214,299.14 : x
  2. Step 2: Convert to fraction form
    382,588.79/573,956.98 = 214,299.14/x
  3. Step 3: Cross multiply
    382,588.79x = 573,956.98 × 214,299.14
  4. Step 4: Simplify right side
    382,588.79x = 122,998,483,805.46
  5. Step 5: Solve for x
    x = 122,998,483,805.46/382,588.79
  6. Step 6: Final answer
    x = 321,490.04

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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.