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Finding the Fourth Proportional to 265,786.77, 366,487.79 and 217,238.07

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Solution

The fourth proportional to 265,786.77, 366,487.79 and 217,238.07 is: 299,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,786.77 : 366,487.79 = 217,238.07 : x
  2. Step 2: Convert to fraction form
    265,786.77/366,487.79 = 217,238.07/x
  3. Step 3: Cross multiply
    265,786.77x = 366,487.79 × 217,238.07
  4. Step 4: Simplify right side
    265,786.77x = 79,615,099,091.98
  5. Step 5: Solve for x
    x = 79,615,099,091.98/265,786.77
  6. Step 6: Final answer
    x = 299,545.00

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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.