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Finding the Fourth Proportional to 483,582.03, 725,183.09 and 163,645.79

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Solution

The fourth proportional to 483,582.03, 725,183.09 and 163,645.79 is: 245,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,582.03 : 725,183.09 = 163,645.79 : x
  2. Step 2: Convert to fraction form
    483,582.03/725,183.09 = 163,645.79/x
  3. Step 3: Cross multiply
    483,582.03x = 725,183.09 × 163,645.79
  4. Step 4: Simplify right side
    483,582.03x = 118,673,158,839.46
  5. Step 5: Solve for x
    x = 118,673,158,839.46/483,582.03
  6. Step 6: Final answer
    x = 245,404.40

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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.