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Finding the Fourth Proportional to 483,683.55, 725,531.40 and 146,727.60

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Solution

The fourth proportional to 483,683.55, 725,531.40 and 146,727.60 is: 220,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,683.55 : 725,531.40 = 146,727.60 : x
  2. Step 2: Convert to fraction form
    483,683.55/725,531.40 = 146,727.60/x
  3. Step 3: Cross multiply
    483,683.55x = 725,531.40 × 146,727.60
  4. Step 4: Simplify right side
    483,683.55x = 106,455,481,046.64
  5. Step 5: Solve for x
    x = 106,455,481,046.64/483,683.55
  6. Step 6: Final answer
    x = 220,093.24

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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.