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Finding the Fourth Proportional to 392,048.01, 541,133 and 230,955.41

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Solution

The fourth proportional to 392,048.01, 541,133 and 230,955.41 is: 318,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,048.01 : 541,133 = 230,955.41 : x
  2. Step 2: Convert to fraction form
    392,048.01/541,133 = 230,955.41/x
  3. Step 3: Cross multiply
    392,048.01x = 541,133 × 230,955.41
  4. Step 4: Simplify right side
    392,048.01x = 124,977,593,879.53
  5. Step 5: Solve for x
    x = 124,977,593,879.53/392,048.01
  6. Step 6: Final answer
    x = 318,781.35

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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.