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Finding the Fourth Proportional to 303,629.84, 418,911.72 and 169,467.92

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Solution

The fourth proportional to 303,629.84, 418,911.72 and 169,467.92 is: 233,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629.84 : 418,911.72 = 169,467.92 : x
  2. Step 2: Convert to fraction form
    303,629.84/418,911.72 = 169,467.92/x
  3. Step 3: Cross multiply
    303,629.84x = 418,911.72 × 169,467.92
  4. Step 4: Simplify right side
    303,629.84x = 70,992,097,852.02
  5. Step 5: Solve for x
    x = 70,992,097,852.02/303,629.84
  6. Step 6: Final answer
    x = 233,811.33

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1.5x scale

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.