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Finding the Fourth Proportional to 483,515.68, 725,409.60 and 168,004.48

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Solution

The fourth proportional to 483,515.68, 725,409.60 and 168,004.48 is: 252,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,515.68 : 725,409.60 = 168,004.48 : x
  2. Step 2: Convert to fraction form
    483,515.68/725,409.60 = 168,004.48/x
  3. Step 3: Cross multiply
    483,515.68x = 725,409.60 × 168,004.48
  4. Step 4: Simplify right side
    483,515.68x = 121,872,062,635.01
  5. Step 5: Solve for x
    x = 121,872,062,635.01/483,515.68
  6. Step 6: Final answer
    x = 252,054.00

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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.