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Finding the Fourth Proportional to 366,964.56, 506,518.60 and 239,659.92

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Solution

The fourth proportional to 366,964.56, 506,518.60 and 239,659.92 is: 330,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,964.56 : 506,518.60 = 239,659.92 : x
  2. Step 2: Convert to fraction form
    366,964.56/506,518.60 = 239,659.92/x
  3. Step 3: Cross multiply
    366,964.56x = 506,518.60 × 239,659.92
  4. Step 4: Simplify right side
    366,964.56x = 121,392,207,154.51
  5. Step 5: Solve for x
    x = 121,392,207,154.51/366,964.56
  6. Step 6: Final answer
    x = 330,800.90

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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.