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Finding the Fourth Proportional to 483,530.70, 725,040.90 and 163,572.60

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Solution

The fourth proportional to 483,530.70, 725,040.90 and 163,572.60 is: 245,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,530.70 : 725,040.90 = 163,572.60 : x
  2. Step 2: Convert to fraction form
    483,530.70/725,040.90 = 163,572.60/x
  3. Step 3: Cross multiply
    483,530.70x = 725,040.90 × 163,572.60
  4. Step 4: Simplify right side
    483,530.70x = 118,596,825,119.34
  5. Step 5: Solve for x
    x = 118,596,825,119.34/483,530.70
  6. Step 6: Final answer
    x = 245,272.59

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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.