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Finding the Fourth Proportional to 326,233.76, 450,201.65 and 181,061.46

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Solution

The fourth proportional to 326,233.76, 450,201.65 and 181,061.46 is: 249,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,233.76 : 450,201.65 = 181,061.46 : x
  2. Step 2: Convert to fraction form
    326,233.76/450,201.65 = 181,061.46/x
  3. Step 3: Cross multiply
    326,233.76x = 450,201.65 × 181,061.46
  4. Step 4: Simplify right side
    326,233.76x = 81,514,167,138.10
  5. Step 5: Solve for x
    x = 81,514,167,138.10/326,233.76
  6. Step 6: Final answer
    x = 249,864.29

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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.