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Finding the Fourth Proportional to 541,123.30, 746,615.64 and 349,906.60

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Solution

The fourth proportional to 541,123.30, 746,615.64 and 349,906.60 is: 482,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,123.30 : 746,615.64 = 349,906.60 : x
  2. Step 2: Convert to fraction form
    541,123.30/746,615.64 = 349,906.60/x
  3. Step 3: Cross multiply
    541,123.30x = 746,615.64 × 349,906.60
  4. Step 4: Simplify right side
    541,123.30x = 261,245,740,099.22
  5. Step 5: Solve for x
    x = 261,245,740,099.22/541,123.30
  6. Step 6: Final answer
    x = 482,784.13

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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.