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Finding the Fourth Proportional to 578,660.63, 798,584.59 and 324,009.59

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Solution

The fourth proportional to 578,660.63, 798,584.59 and 324,009.59 is: 447,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,660.63 : 798,584.59 = 324,009.59 : x
  2. Step 2: Convert to fraction form
    578,660.63/798,584.59 = 324,009.59/x
  3. Step 3: Cross multiply
    578,660.63x = 798,584.59 × 324,009.59
  4. Step 4: Simplify right side
    578,660.63x = 258,749,067,987.69
  5. Step 5: Solve for x
    x = 258,749,067,987.69/578,660.63
  6. Step 6: Final answer
    x = 447,151.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.