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Finding the Fourth Proportional to 293,505.99, 440,384.30 and 125,105.58

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Solution

The fourth proportional to 293,505.99, 440,384.30 and 125,105.58 is: 187,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,505.99 : 440,384.30 = 125,105.58 : x
  2. Step 2: Convert to fraction form
    293,505.99/440,384.30 = 125,105.58/x
  3. Step 3: Cross multiply
    293,505.99x = 440,384.30 × 125,105.58
  4. Step 4: Simplify right side
    293,505.99x = 55,094,532,648.87
  5. Step 5: Solve for x
    x = 55,094,532,648.87/293,505.99
  6. Step 6: Final answer
    x = 187,711.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.