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Finding the Fourth Proportional to 360,733.76, 497,891.04 and 209,850.56

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Solution

The fourth proportional to 360,733.76, 497,891.04 and 209,850.56 is: 289,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,733.76 : 497,891.04 = 209,850.56 : x
  2. Step 2: Convert to fraction form
    360,733.76/497,891.04 = 209,850.56/x
  3. Step 3: Cross multiply
    360,733.76x = 497,891.04 × 209,850.56
  4. Step 4: Simplify right side
    360,733.76x = 104,482,713,562.98
  5. Step 5: Solve for x
    x = 104,482,713,562.98/360,733.76
  6. Step 6: Final answer
    x = 289,639.41

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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.