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Finding the Fourth Proportional to 550,311.84, 759,591.60 and 359,354.88

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Solution

The fourth proportional to 550,311.84, 759,591.60 and 359,354.88 is: 496,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,311.84 : 759,591.60 = 359,354.88 : x
  2. Step 2: Convert to fraction form
    550,311.84/759,591.60 = 359,354.88/x
  3. Step 3: Cross multiply
    550,311.84x = 759,591.60 × 359,354.88
  4. Step 4: Simplify right side
    550,311.84x = 272,962,948,267.01
  5. Step 5: Solve for x
    x = 272,962,948,267.01/550,311.84
  6. Step 6: Final answer
    x = 496,015.04

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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.