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Finding the Fourth Proportional to 483,467.52, 724,952.04 and 216,999.60

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Solution

The fourth proportional to 483,467.52, 724,952.04 and 216,999.60 is: 325,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,467.52 : 724,952.04 = 216,999.60 : x
  2. Step 2: Convert to fraction form
    483,467.52/724,952.04 = 216,999.60/x
  3. Step 3: Cross multiply
    483,467.52x = 724,952.04 × 216,999.60
  4. Step 4: Simplify right side
    483,467.52x = 157,314,302,699.18
  5. Step 5: Solve for x
    x = 157,314,302,699.18/483,467.52
  6. Step 6: Final answer
    x = 325,387.53

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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.