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Finding the Fourth Proportional to 483,540.70, 725,055.90 and 163,582.60

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Solution

The fourth proportional to 483,540.70, 725,055.90 and 163,582.60 is: 245,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,540.70 : 725,055.90 = 163,582.60 : x
  2. Step 2: Convert to fraction form
    483,540.70/725,055.90 = 163,582.60/x
  3. Step 3: Cross multiply
    483,540.70x = 725,055.90 × 163,582.60
  4. Step 4: Simplify right side
    483,540.70x = 118,606,529,267.34
  5. Step 5: Solve for x
    x = 118,606,529,267.34/483,540.70
  6. Step 6: Final answer
    x = 245,287.58

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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.