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Finding the Fourth Proportional to 544,083.40, 816,125.10 and 483,430.60

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Solution

The fourth proportional to 544,083.40, 816,125.10 and 483,430.60 is: 725,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,083.40 : 816,125.10 = 483,430.60 : x
  2. Step 2: Convert to fraction form
    544,083.40/816,125.10 = 483,430.60/x
  3. Step 3: Cross multiply
    544,083.40x = 816,125.10 × 483,430.60
  4. Step 4: Simplify right side
    544,083.40x = 394,539,846,768.06
  5. Step 5: Solve for x
    x = 394,539,846,768.06/544,083.40
  6. Step 6: Final answer
    x = 725,145.90

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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.