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Finding the Fourth Proportional to 548,047.56, 756,321.56 and 299,704.11

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Solution

The fourth proportional to 548,047.56, 756,321.56 and 299,704.11 is: 413,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,047.56 : 756,321.56 = 299,704.11 : x
  2. Step 2: Convert to fraction form
    548,047.56/756,321.56 = 299,704.11/x
  3. Step 3: Cross multiply
    548,047.56x = 756,321.56 × 299,704.11
  4. Step 4: Simplify right side
    548,047.56x = 226,672,678,488.61
  5. Step 5: Solve for x
    x = 226,672,678,488.61/548,047.56
  6. Step 6: Final answer
    x = 413,600.38

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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.