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Finding the Fourth Proportional to 3,602,198.75, 4,971,073.48 and 1,970,571.07

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Solution

The fourth proportional to 3,602,198.75, 4,971,073.48 and 1,970,571.07 is: 2,719,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602,198.75 : 4,971,073.48 = 1,970,571.07 : x
  2. Step 2: Convert to fraction form
    3,602,198.75/4,971,073.48 = 1,970,571.07/x
  3. Step 3: Cross multiply
    3,602,198.75x = 4,971,073.48 × 1,970,571.07
  4. Step 4: Simplify right side
    3,602,198.75x = 9,795,853,569,178.11
  5. Step 5: Solve for x
    x = 9,795,853,569,178.11/3,602,198.75
  6. Step 6: Final answer
    x = 2,719,409.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.