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Finding the Fourth Proportional to 541,453.83, 747,212.19 and 299,740.44

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Solution

The fourth proportional to 541,453.83, 747,212.19 and 299,740.44 is: 413,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,453.83 : 747,212.19 = 299,740.44 : x
  2. Step 2: Convert to fraction form
    541,453.83/747,212.19 = 299,740.44/x
  3. Step 3: Cross multiply
    541,453.83x = 747,212.19 × 299,740.44
  4. Step 4: Simplify right side
    541,453.83x = 223,969,706,867.90
  5. Step 5: Solve for x
    x = 223,969,706,867.90/541,453.83
  6. Step 6: Final answer
    x = 413,645.07

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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.