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Finding the Fourth Proportional to 544,459.06, 816,854.73 and 278,406.46

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Solution

The fourth proportional to 544,459.06, 816,854.73 and 278,406.46 is: 417,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,459.06 : 816,854.73 = 278,406.46 : x
  2. Step 2: Convert to fraction form
    544,459.06/816,854.73 = 278,406.46/x
  3. Step 3: Cross multiply
    544,459.06x = 816,854.73 × 278,406.46
  4. Step 4: Simplify right side
    544,459.06x = 227,417,633,713.56
  5. Step 5: Solve for x
    x = 227,417,633,713.56/544,459.06
  6. Step 6: Final answer
    x = 417,694.64

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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.