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Finding the Fourth Proportional to 326,957.66, 451,187.17 and 191,004.22

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Solution

The fourth proportional to 326,957.66, 451,187.17 and 191,004.22 is: 263,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,957.66 : 451,187.17 = 191,004.22 : x
  2. Step 2: Convert to fraction form
    326,957.66/451,187.17 = 191,004.22/x
  3. Step 3: Cross multiply
    326,957.66x = 451,187.17 × 191,004.22
  4. Step 4: Simplify right side
    326,957.66x = 86,178,653,479.86
  5. Step 5: Solve for x
    x = 86,178,653,479.86/326,957.66
  6. Step 6: Final answer
    x = 263,577.41

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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.