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Finding the Fourth Proportional to 434,652.56, 599,784.36 and 243,659.60

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Solution

The fourth proportional to 434,652.56, 599,784.36 and 243,659.60 is: 336,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,652.56 : 599,784.36 = 243,659.60 : x
  2. Step 2: Convert to fraction form
    434,652.56/599,784.36 = 243,659.60/x
  3. Step 3: Cross multiply
    434,652.56x = 599,784.36 × 243,659.60
  4. Step 4: Simplify right side
    434,652.56x = 146,143,217,243.86
  5. Step 5: Solve for x
    x = 146,143,217,243.86/434,652.56
  6. Step 6: Final answer
    x = 336,229.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.