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Finding the Fourth Proportional to 2,791,935.52, 4,188,744.06 and 994,584.40

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Solution

The fourth proportional to 2,791,935.52, 4,188,744.06 and 994,584.40 is: 1,492,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,935.52 : 4,188,744.06 = 994,584.40 : x
  2. Step 2: Convert to fraction form
    2,791,935.52/4,188,744.06 = 994,584.40/x
  3. Step 3: Cross multiply
    2,791,935.52x = 4,188,744.06 × 994,584.40
  4. Step 4: Simplify right side
    2,791,935.52x = 4,166,059,497,668.66
  5. Step 5: Solve for x
    x = 4,166,059,497,668.66/2,791,935.52
  6. Step 6: Final answer
    x = 1,492,176.12

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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.