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Finding the Fourth Proportional to 383,560.00, 575,363.05 and 117,322.82

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Solution

The fourth proportional to 383,560.00, 575,363.05 and 117,322.82 is: 175,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,560.00 : 575,363.05 = 117,322.82 : x
  2. Step 2: Convert to fraction form
    383,560.00/575,363.05 = 117,322.82/x
  3. Step 3: Cross multiply
    383,560.00x = 575,363.05 × 117,322.82
  4. Step 4: Simplify right side
    383,560.00x = 67,503,212,672.99
  5. Step 5: Solve for x
    x = 67,503,212,672.99/383,560.00
  6. Step 6: Final answer
    x = 175,991.28

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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.