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Finding the Fourth Proportional to 324,993.04, 487,225.46 and 135,594.59

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Solution

The fourth proportional to 324,993.04, 487,225.46 and 135,594.59 is: 203,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,993.04 : 487,225.46 = 135,594.59 : x
  2. Step 2: Convert to fraction form
    324,993.04/487,225.46 = 135,594.59/x
  3. Step 3: Cross multiply
    324,993.04x = 487,225.46 × 135,594.59
  4. Step 4: Simplify right side
    324,993.04x = 66,065,134,389.12
  5. Step 5: Solve for x
    x = 66,065,134,389.12/324,993.04
  6. Step 6: Final answer
    x = 203,281.69

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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.