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Finding the Fourth Proportional to 544,362.60, 816,709.98 and 278,309.96

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Solution

The fourth proportional to 544,362.60, 816,709.98 and 278,309.96 is: 417,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,362.60 : 816,709.98 = 278,309.96 : x
  2. Step 2: Convert to fraction form
    544,362.60/816,709.98 = 278,309.96/x
  3. Step 3: Cross multiply
    544,362.60x = 816,709.98 × 278,309.96
  4. Step 4: Simplify right side
    544,362.60x = 227,298,517,781.85
  5. Step 5: Solve for x
    x = 227,298,517,781.85/544,362.60
  6. Step 6: Final answer
    x = 417,549.84

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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.