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Finding the Fourth Proportional to 324,350.80, 487,109.40 and 235,704.40

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Solution

The fourth proportional to 324,350.80, 487,109.40 and 235,704.40 is: 353,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,350.80 : 487,109.40 = 235,704.40 : x
  2. Step 2: Convert to fraction form
    324,350.80/487,109.40 = 235,704.40/x
  3. Step 3: Cross multiply
    324,350.80x = 487,109.40 × 235,704.40
  4. Step 4: Simplify right side
    324,350.80x = 114,813,828,861.36
  5. Step 5: Solve for x
    x = 114,813,828,861.36/324,350.80
  6. Step 6: Final answer
    x = 353,980.41

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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.