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Finding the Fourth Proportional to 326,786.86, 450,956.85 and 181,588.89

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Solution

The fourth proportional to 326,786.86, 450,956.85 and 181,588.89 is: 250,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,786.86 : 450,956.85 = 181,588.89 : x
  2. Step 2: Convert to fraction form
    326,786.86/450,956.85 = 181,588.89/x
  3. Step 3: Cross multiply
    326,786.86x = 450,956.85 × 181,588.89
  4. Step 4: Simplify right side
    326,786.86x = 81,888,754,510.35
  5. Step 5: Solve for x
    x = 81,888,754,510.35/326,786.86
  6. Step 6: Final answer
    x = 250,587.66

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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.