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Finding the Fourth Proportional to 354,889.84, 531,891.72 and 177,447.58

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Solution

The fourth proportional to 354,889.84, 531,891.72 and 177,447.58 is: 265,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,889.84 : 531,891.72 = 177,447.58 : x
  2. Step 2: Convert to fraction form
    354,889.84/531,891.72 = 177,447.58/x
  3. Step 3: Cross multiply
    354,889.84x = 531,891.72 × 177,447.58
  4. Step 4: Simplify right side
    354,889.84x = 94,382,898,536.04
  5. Step 5: Solve for x
    x = 94,382,898,536.04/354,889.84
  6. Step 6: Final answer
    x = 265,949.85

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1.5x scale

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.