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Finding the Fourth Proportional to 514,999.20, 773,373.60 and 382,029.60

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Solution

The fourth proportional to 514,999.20, 773,373.60 and 382,029.60 is: 573,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,999.20 : 773,373.60 = 382,029.60 : x
  2. Step 2: Convert to fraction form
    514,999.20/773,373.60 = 382,029.60/x
  3. Step 3: Cross multiply
    514,999.20x = 773,373.60 × 382,029.60
  4. Step 4: Simplify right side
    514,999.20x = 295,451,607,058.56
  5. Step 5: Solve for x
    x = 295,451,607,058.56/514,999.20
  6. Step 6: Final answer
    x = 573,693.33

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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.