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Finding the Fourth Proportional to 354,884.82, 531,884.24 and 177,442.58

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Solution

The fourth proportional to 354,884.82, 531,884.24 and 177,442.58 is: 265,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,884.82 : 531,884.24 = 177,442.58 : x
  2. Step 2: Convert to fraction form
    354,884.82/531,884.24 = 177,442.58/x
  3. Step 3: Cross multiply
    354,884.82x = 531,884.24 × 177,442.58
  4. Step 4: Simplify right side
    354,884.82x = 94,378,911,806.94
  5. Step 5: Solve for x
    x = 94,378,911,806.94/354,884.82
  6. Step 6: Final answer
    x = 265,942.37

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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.