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Finding the Fourth Proportional to 984,695.86, 1,476,453.30 and 451,549

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Solution

The fourth proportional to 984,695.86, 1,476,453.30 and 451,549 is: 677,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,695.86 : 1,476,453.30 = 451,549 : x
  2. Step 2: Convert to fraction form
    984,695.86/1,476,453.30 = 451,549/x
  3. Step 3: Cross multiply
    984,695.86x = 1,476,453.30 × 451,549
  4. Step 4: Simplify right side
    984,695.86x = 666,691,011,161.70
  5. Step 5: Solve for x
    x = 666,691,011,161.70/984,695.86
  6. Step 6: Final answer
    x = 677,052.72

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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.