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Finding the Fourth Proportional to 324,417.80, 486,626.70 and 114,028.40

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Solution

The fourth proportional to 324,417.80, 486,626.70 and 114,028.40 is: 171,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,417.80 : 486,626.70 = 114,028.40 : x
  2. Step 2: Convert to fraction form
    324,417.80/486,626.70 = 114,028.40/x
  3. Step 3: Cross multiply
    324,417.80x = 486,626.70 × 114,028.40
  4. Step 4: Simplify right side
    324,417.80x = 55,489,263,998.28
  5. Step 5: Solve for x
    x = 55,489,263,998.28/324,417.80
  6. Step 6: Final answer
    x = 171,042.60

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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.