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Finding the Fourth Proportional to 426,324.96, 588,519.72 and 281,216.34

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Solution

The fourth proportional to 426,324.96, 588,519.72 and 281,216.34 is: 388,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,324.96 : 588,519.72 = 281,216.34 : x
  2. Step 2: Convert to fraction form
    426,324.96/588,519.72 = 281,216.34/x
  3. Step 3: Cross multiply
    426,324.96x = 588,519.72 × 281,216.34
  4. Step 4: Simplify right side
    426,324.96x = 165,501,361,676.23
  5. Step 5: Solve for x
    x = 165,501,361,676.23/426,324.96
  6. Step 6: Final answer
    x = 388,204.72

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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.