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Finding the Fourth Proportional to 324,188.34, 486,305.87 and 124,508.73

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Solution

The fourth proportional to 324,188.34, 486,305.87 and 124,508.73 is: 186,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,188.34 : 486,305.87 = 124,508.73 : x
  2. Step 2: Convert to fraction form
    324,188.34/486,305.87 = 124,508.73/x
  3. Step 3: Cross multiply
    324,188.34x = 486,305.87 × 124,508.73
  4. Step 4: Simplify right side
    324,188.34x = 60,549,325,642.70
  5. Step 5: Solve for x
    x = 60,549,325,642.70/324,188.34
  6. Step 6: Final answer
    x = 186,772.06

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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.