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Finding the Fourth Proportional to 324,597.54, 486,234.75 and 155,602.59

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Solution

The fourth proportional to 324,597.54, 486,234.75 and 155,602.59 is: 233,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,597.54 : 486,234.75 = 155,602.59 : x
  2. Step 2: Convert to fraction form
    324,597.54/486,234.75 = 155,602.59/x
  3. Step 3: Cross multiply
    324,597.54x = 486,234.75 × 155,602.59
  4. Step 4: Simplify right side
    324,597.54x = 75,659,386,448.00
  5. Step 5: Solve for x
    x = 75,659,386,448.00/324,597.54
  6. Step 6: Final answer
    x = 233,086.75

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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.