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Finding the Fourth Proportional to 325,022.60, 486,877.80 and 184,617.20

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Solution

The fourth proportional to 325,022.60, 486,877.80 and 184,617.20 is: 276,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,022.60 : 486,877.80 = 184,617.20 : x
  2. Step 2: Convert to fraction form
    325,022.60/486,877.80 = 184,617.20/x
  3. Step 3: Cross multiply
    325,022.60x = 486,877.80 × 184,617.20
  4. Step 4: Simplify right side
    325,022.60x = 89,886,016,178.16
  5. Step 5: Solve for x
    x = 89,886,016,178.16/325,022.60
  6. Step 6: Final answer
    x = 276,553.13

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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.