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Finding the Fourth Proportional to 324,401.77, 486,602.66 and 166,542.49

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Solution

The fourth proportional to 324,401.77, 486,602.66 and 166,542.49 is: 249,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,401.77 : 486,602.66 = 166,542.49 : x
  2. Step 2: Convert to fraction form
    324,401.77/486,602.66 = 166,542.49/x
  3. Step 3: Cross multiply
    324,401.77x = 486,602.66 × 166,542.49
  4. Step 4: Simplify right side
    324,401.77x = 81,040,017,804.31
  5. Step 5: Solve for x
    x = 81,040,017,804.31/324,401.77
  6. Step 6: Final answer
    x = 249,813.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.