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Finding the Fourth Proportional to 541,659.45, 747,480.87 and 299,936.85

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Solution

The fourth proportional to 541,659.45, 747,480.87 and 299,936.85 is: 413,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,659.45 : 747,480.87 = 299,936.85 : x
  2. Step 2: Convert to fraction form
    541,659.45/747,480.87 = 299,936.85/x
  3. Step 3: Cross multiply
    541,659.45x = 747,480.87 × 299,936.85
  4. Step 4: Simplify right side
    541,659.45x = 224,197,057,583.06
  5. Step 5: Solve for x
    x = 224,197,057,583.06/541,659.45
  6. Step 6: Final answer
    x = 413,907.77

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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.