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Finding the Fourth Proportional to 326,627.93, 450,731.31 and 181,443.13

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Solution

The fourth proportional to 326,627.93, 450,731.31 and 181,443.13 is: 250,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,627.93 : 450,731.31 = 181,443.13 : x
  2. Step 2: Convert to fraction form
    326,627.93/450,731.31 = 181,443.13/x
  3. Step 3: Cross multiply
    326,627.93x = 450,731.31 × 181,443.13
  4. Step 4: Simplify right side
    326,627.93x = 81,782,099,675.40
  5. Step 5: Solve for x
    x = 81,782,099,675.40/326,627.93
  6. Step 6: Final answer
    x = 250,383.06

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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.