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Finding the Fourth Proportional to 242,990.45, 364,190.16 and 171,933.56

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Solution

The fourth proportional to 242,990.45, 364,190.16 and 171,933.56 is: 257,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,990.45 : 364,190.16 = 171,933.56 : x
  2. Step 2: Convert to fraction form
    242,990.45/364,190.16 = 171,933.56/x
  3. Step 3: Cross multiply
    242,990.45x = 364,190.16 × 171,933.56
  4. Step 4: Simplify right side
    242,990.45x = 62,616,510,725.77
  5. Step 5: Solve for x
    x = 62,616,510,725.77/242,990.45
  6. Step 6: Final answer
    x = 257,691.24

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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.