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Finding the Fourth Proportional to 531,501.86, 797,713.41 and 278,960.73

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Solution

The fourth proportional to 531,501.86, 797,713.41 and 278,960.73 is: 418,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,501.86 : 797,713.41 = 278,960.73 : x
  2. Step 2: Convert to fraction form
    531,501.86/797,713.41 = 278,960.73/x
  3. Step 3: Cross multiply
    531,501.86x = 797,713.41 × 278,960.73
  4. Step 4: Simplify right side
    531,501.86x = 222,530,715,184.39
  5. Step 5: Solve for x
    x = 222,530,715,184.39/531,501.86
  6. Step 6: Final answer
    x = 418,682.86

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1.5x scale

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.