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Finding the Fourth Proportional to 514,973.20, 773,334.60 and 382,003.60

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Solution

The fourth proportional to 514,973.20, 773,334.60 and 382,003.60 is: 573,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,973.20 : 773,334.60 = 382,003.60 : x
  2. Step 2: Convert to fraction form
    514,973.20/773,334.60 = 382,003.60/x
  3. Step 3: Cross multiply
    514,973.20x = 773,334.60 × 382,003.60
  4. Step 4: Simplify right side
    514,973.20x = 295,416,601,204.56
  5. Step 5: Solve for x
    x = 295,416,601,204.56/514,973.20
  6. Step 6: Final answer
    x = 573,654.32

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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.