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Finding the Fourth Proportional to 483,036.72, 724,322.04 and 202,478.64

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Solution

The fourth proportional to 483,036.72, 724,322.04 and 202,478.64 is: 303,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,036.72 : 724,322.04 = 202,478.64 : x
  2. Step 2: Convert to fraction form
    483,036.72/724,322.04 = 202,478.64/x
  3. Step 3: Cross multiply
    483,036.72x = 724,322.04 × 202,478.64
  4. Step 4: Simplify right side
    483,036.72x = 146,659,741,581.23
  5. Step 5: Solve for x
    x = 146,659,741,581.23/483,036.72
  6. Step 6: Final answer
    x = 303,620.27

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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.