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Finding the Fourth Proportional to 265,760.77, 366,451.91 and 217,212.04

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Solution

The fourth proportional to 265,760.77, 366,451.91 and 217,212.04 is: 299,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,760.77 : 366,451.91 = 217,212.04 : x
  2. Step 2: Convert to fraction form
    265,760.77/366,451.91 = 217,212.04/x
  3. Step 3: Cross multiply
    265,760.77x = 366,451.91 × 217,212.04
  4. Step 4: Simplify right side
    265,760.77x = 79,597,766,933.00
  5. Step 5: Solve for x
    x = 79,597,766,933.00/265,760.77
  6. Step 6: Final answer
    x = 299,509.09

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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.