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Finding the Fourth Proportional to 324,385.58, 486,682.48 and 155,918.13

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Solution

The fourth proportional to 324,385.58, 486,682.48 and 155,918.13 is: 233,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,385.58 : 486,682.48 = 155,918.13 : x
  2. Step 2: Convert to fraction form
    324,385.58/486,682.48 = 155,918.13/x
  3. Step 3: Cross multiply
    324,385.58x = 486,682.48 × 155,918.13
  4. Step 4: Simplify right side
    324,385.58x = 75,882,622,415.75
  5. Step 5: Solve for x
    x = 75,882,622,415.75/324,385.58
  6. Step 6: Final answer
    x = 233,927.24

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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.