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Finding the Fourth Proportional to 483,477.52, 724,967.04 and 217,009.60

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Solution

The fourth proportional to 483,477.52, 724,967.04 and 217,009.60 is: 325,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,477.52 : 724,967.04 = 217,009.60 : x
  2. Step 2: Convert to fraction form
    483,477.52/724,967.04 = 217,009.60/x
  3. Step 3: Cross multiply
    483,477.52x = 724,967.04 × 217,009.60
  4. Step 4: Simplify right side
    483,477.52x = 157,324,807,363.58
  5. Step 5: Solve for x
    x = 157,324,807,363.58/483,477.52
  6. Step 6: Final answer
    x = 325,402.53

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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.