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Finding the Fourth Proportional to 326,886.66, 451,230.93 and 206,004.33

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Solution

The fourth proportional to 326,886.66, 451,230.93 and 206,004.33 is: 284,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,886.66 : 451,230.93 = 206,004.33 : x
  2. Step 2: Convert to fraction form
    326,886.66/451,230.93 = 206,004.33/x
  3. Step 3: Cross multiply
    326,886.66x = 451,230.93 × 206,004.33
  4. Step 4: Simplify right side
    326,886.66x = 92,955,525,409.93
  5. Step 5: Solve for x
    x = 92,955,525,409.93/326,886.66
  6. Step 6: Final answer
    x = 284,366.22

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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.