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Finding the Fourth Proportional to 371,960.84, 513,308.94 and 202,194.56

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Solution

The fourth proportional to 371,960.84, 513,308.94 and 202,194.56 is: 279,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,960.84 : 513,308.94 = 202,194.56 : x
  2. Step 2: Convert to fraction form
    371,960.84/513,308.94 = 202,194.56/x
  3. Step 3: Cross multiply
    371,960.84x = 513,308.94 × 202,194.56
  4. Step 4: Simplify right side
    371,960.84x = 103,788,275,267.37
  5. Step 5: Solve for x
    x = 103,788,275,267.37/371,960.84
  6. Step 6: Final answer
    x = 279,030.11

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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.