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Finding the Fourth Proportional to 544,596.40, 817,672.20 and 308,400.40

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Solution

The fourth proportional to 544,596.40, 817,672.20 and 308,400.40 is: 463,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,596.40 : 817,672.20 = 308,400.40 : x
  2. Step 2: Convert to fraction form
    544,596.40/817,672.20 = 308,400.40/x
  3. Step 3: Cross multiply
    544,596.40x = 817,672.20 × 308,400.40
  4. Step 4: Simplify right side
    544,596.40x = 252,170,433,548.88
  5. Step 5: Solve for x
    x = 252,170,433,548.88/544,596.40
  6. Step 6: Final answer
    x = 463,040.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.