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Finding the Fourth Proportional to 326,407.88, 450,418.92 and 181,222.06

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Solution

The fourth proportional to 326,407.88, 450,418.92 and 181,222.06 is: 250,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,407.88 : 450,418.92 = 181,222.06 : x
  2. Step 2: Convert to fraction form
    326,407.88/450,418.92 = 181,222.06/x
  3. Step 3: Cross multiply
    326,407.88x = 450,418.92 × 181,222.06
  4. Step 4: Simplify right side
    326,407.88x = 81,625,842,966.27
  5. Step 5: Solve for x
    x = 81,625,842,966.27/326,407.88
  6. Step 6: Final answer
    x = 250,073.14

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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.