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Finding the Fourth Proportional to 324,582.30, 485,998.65 and 235,352.70

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Solution

The fourth proportional to 324,582.30, 485,998.65 and 235,352.70 is: 352,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,582.30 : 485,998.65 = 235,352.70 : x
  2. Step 2: Convert to fraction form
    324,582.30/485,998.65 = 235,352.70/x
  3. Step 3: Cross multiply
    324,582.30x = 485,998.65 × 235,352.70
  4. Step 4: Simplify right side
    324,582.30x = 114,381,094,473.86
  5. Step 5: Solve for x
    x = 114,381,094,473.86/324,582.30
  6. Step 6: Final answer
    x = 352,394.74

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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.