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Finding the Fourth Proportional to 326,813.77, 450,933.03 and 190,785.98

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Solution

The fourth proportional to 326,813.77, 450,933.03 and 190,785.98 is: 263,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,813.77 : 450,933.03 = 190,785.98 : x
  2. Step 2: Convert to fraction form
    326,813.77/450,933.03 = 190,785.98/x
  3. Step 3: Cross multiply
    326,813.77x = 450,933.03 × 190,785.98
  4. Step 4: Simplify right side
    326,813.77x = 86,031,700,042.92
  5. Step 5: Solve for x
    x = 86,031,700,042.92/326,813.77
  6. Step 6: Final answer
    x = 263,243.80

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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.