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Finding the Fourth Proportional to 424,449.50, 585,823.50 and 243,282.86

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Solution

The fourth proportional to 424,449.50, 585,823.50 and 243,282.86 is: 335,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,449.50 : 585,823.50 = 243,282.86 : x
  2. Step 2: Convert to fraction form
    424,449.50/585,823.50 = 243,282.86/x
  3. Step 3: Cross multiply
    424,449.50x = 585,823.50 × 243,282.86
  4. Step 4: Simplify right side
    424,449.50x = 142,520,816,535.21
  5. Step 5: Solve for x
    x = 142,520,816,535.21/424,449.50
  6. Step 6: Final answer
    x = 335,778.03

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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.