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Finding the Fourth Proportional to 544,462.56, 816,859.98 and 278,409.96

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Solution

The fourth proportional to 544,462.56, 816,859.98 and 278,409.96 is: 417,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,462.56 : 816,859.98 = 278,409.96 : x
  2. Step 2: Convert to fraction form
    544,462.56/816,859.98 = 278,409.96/x
  3. Step 3: Cross multiply
    544,462.56x = 816,859.98 × 278,409.96
  4. Step 4: Simplify right side
    544,462.56x = 227,421,954,357.40
  5. Step 5: Solve for x
    x = 227,421,954,357.40/544,462.56
  6. Step 6: Final answer
    x = 417,699.90

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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.