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Finding the Fourth Proportional to 296,943.87, 445,347.32 and 177,034.61

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Solution

The fourth proportional to 296,943.87, 445,347.32 and 177,034.61 is: 265,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,943.87 : 445,347.32 = 177,034.61 : x
  2. Step 2: Convert to fraction form
    296,943.87/445,347.32 = 177,034.61/x
  3. Step 3: Cross multiply
    296,943.87x = 445,347.32 × 177,034.61
  4. Step 4: Simplify right side
    296,943.87x = 78,841,889,338.94
  5. Step 5: Solve for x
    x = 78,841,889,338.94/296,943.87
  6. Step 6: Final answer
    x = 265,511.08

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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.