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Finding the Fourth Proportional to 449,808.88, 619,882.32 and 322,263.04

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Solution

The fourth proportional to 449,808.88, 619,882.32 and 322,263.04 is: 444,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,808.88 : 619,882.32 = 322,263.04 : x
  2. Step 2: Convert to fraction form
    449,808.88/619,882.32 = 322,263.04/x
  3. Step 3: Cross multiply
    449,808.88x = 619,882.32 × 322,263.04
  4. Step 4: Simplify right side
    449,808.88x = 199,765,160,885.45
  5. Step 5: Solve for x
    x = 199,765,160,885.45/449,808.88
  6. Step 6: Final answer
    x = 444,111.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.