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Finding the Fourth Proportional to 544,766.94, 817,147.67 and 139,958.71

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Solution

The fourth proportional to 544,766.94, 817,147.67 and 139,958.71 is: 209,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,766.94 : 817,147.67 = 139,958.71 : x
  2. Step 2: Convert to fraction form
    544,766.94/817,147.67 = 139,958.71/x
  3. Step 3: Cross multiply
    544,766.94x = 817,147.67 × 139,958.71
  4. Step 4: Simplify right side
    544,766.94x = 114,366,932,079.73
  5. Step 5: Solve for x
    x = 114,366,932,079.73/544,766.94
  6. Step 6: Final answer
    x = 209,937.36

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1.5x scale

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.