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Finding the Fourth Proportional to 324,355.70, 486,533.55 and 235,190.90

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Solution

The fourth proportional to 324,355.70, 486,533.55 and 235,190.90 is: 352,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,355.70 : 486,533.55 = 235,190.90 : x
  2. Step 2: Convert to fraction form
    324,355.70/486,533.55 = 235,190.90/x
  3. Step 3: Cross multiply
    324,355.70x = 486,533.55 × 235,190.90
  4. Step 4: Simplify right side
    324,355.70x = 114,428,263,504.70
  5. Step 5: Solve for x
    x = 114,428,263,504.70/324,355.70
  6. Step 6: Final answer
    x = 352,786.35

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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.