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Finding the Fourth Proportional to 544,090.40, 816,135.60 and 483,437.60

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Solution

The fourth proportional to 544,090.40, 816,135.60 and 483,437.60 is: 725,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,090.40 : 816,135.60 = 483,437.60 : x
  2. Step 2: Convert to fraction form
    544,090.40/816,135.60 = 483,437.60/x
  3. Step 3: Cross multiply
    544,090.40x = 816,135.60 × 483,437.60
  4. Step 4: Simplify right side
    544,090.40x = 394,550,635,738.56
  5. Step 5: Solve for x
    x = 394,550,635,738.56/544,090.40
  6. Step 6: Final answer
    x = 725,156.40

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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.