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Finding the Fourth Proportional to 326,511.36, 450,570.51 and 181,326.36

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Solution

The fourth proportional to 326,511.36, 450,570.51 and 181,326.36 is: 250,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,511.36 : 450,570.51 = 181,326.36 : x
  2. Step 2: Convert to fraction form
    326,511.36/450,570.51 = 181,326.36/x
  3. Step 3: Cross multiply
    326,511.36x = 450,570.51 × 181,326.36
  4. Step 4: Simplify right side
    326,511.36x = 81,700,310,501.64
  5. Step 5: Solve for x
    x = 81,700,310,501.64/326,511.36
  6. Step 6: Final answer
    x = 250,221.95

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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.