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Finding the Fourth Proportional to 541,379.56, 747,105.22 and 299,678.80

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Solution

The fourth proportional to 541,379.56, 747,105.22 and 299,678.80 is: 413,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,379.56 : 747,105.22 = 299,678.80 : x
  2. Step 2: Convert to fraction form
    541,379.56/747,105.22 = 299,678.80/x
  3. Step 3: Cross multiply
    541,379.56x = 747,105.22 × 299,678.80
  4. Step 4: Simplify right side
    541,379.56x = 223,891,595,803.34
  5. Step 5: Solve for x
    x = 223,891,595,803.34/541,379.56
  6. Step 6: Final answer
    x = 413,557.53

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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.