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Finding the Fourth Proportional to 483,683.64, 725,527.17 and 146,727.20

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Solution

The fourth proportional to 483,683.64, 725,527.17 and 146,727.20 is: 220,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,683.64 : 725,527.17 = 146,727.20 : x
  2. Step 2: Convert to fraction form
    483,683.64/725,527.17 = 146,727.20/x
  3. Step 3: Cross multiply
    483,683.64x = 725,527.17 × 146,727.20
  4. Step 4: Simplify right side
    483,683.64x = 106,454,566,550.39
  5. Step 5: Solve for x
    x = 106,454,566,550.39/483,683.64
  6. Step 6: Final answer
    x = 220,091.31

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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.